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31040411 = 296911549
BaseRepresentation
bin111011001101…
…0001110011011
32011102000102212
41312122032123
530421243121
63025145335
7524560553
oct166321633
964360385
1031040411
1116581136
12a48b24b
13657a70c
1441a0163
152ad225b
hex1d9a39b

31040411 has 8 divisors (see below), whose sum is σ = 32178000. Its totient is φ = 29907360.

The previous prime is 31040407. The next prime is 31040413. The reversal of 31040411 is 11404013.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 31040411 - 22 = 31040407 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31040413) 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, 19265 + ... + 20813.

It is an arithmetic number, because the mean of its divisors is an integer number (4022250).

Almost surely, 231040411 is an apocalyptic number.

31040411 is a deficient number, since it is larger than the sum of its proper divisors (1137589).

31040411 is a wasteful number, since it uses less digits than its factorization.

31040411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2269.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 31040411 is about 5571.3921958519. The cubic root of 31040411 is about 314.2745074024.

Adding to 31040411 its reverse (11404013), we get a palindrome (42444424).

The spelling of 31040411 in words is "thirty-one million, forty thousand, four hundred eleven".

Divisors: 1 29 691 1549 20039 44921 1070359 31040411