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2124323031 = 31275575651
BaseRepresentation
bin111111010011110…
…1001100011010111
312111001021210100210
41332213221203113
513322311314111
6550443340503
7103433306415
oct17647514327
95431253323
102124323031
119a0141376
124b3521733
1327b155b9c
141621bc2b5
15c676e0a6
hex7e9e98d7

2124323031 has 8 divisors (see below), whose sum is σ = 2854733824. Its totient is φ = 1405063800.

The previous prime is 2124323017. The next prime is 2124323039. The reversal of 2124323031 is 1303234212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2124323031 - 222 = 2120128727 is a prime.

It is a super-2 number, since 2×21243230312 = 9025496680074053922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2124322989 and 2124323007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2124323039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2787445 + ... + 2788206.

It is an arithmetic number, because the mean of its divisors is an integer number (356841728).

Almost surely, 22124323031 is an apocalyptic number.

2124323031 is a deficient number, since it is larger than the sum of its proper divisors (730410793).

2124323031 is a wasteful number, since it uses less digits than its factorization.

2124323031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5575781.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 2124323031 is about 46090.3789418139. The cubic root of 2124323031 is about 1285.5042570699.

Adding to 2124323031 its reverse (1303234212), we get a palindrome (3427557243).

The spelling of 2124323031 in words is "two billion, one hundred twenty-four million, three hundred twenty-three thousand, thirty-one".

Divisors: 1 3 127 381 5575651 16726953 708107677 2124323031