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101152031 = 1511813701
BaseRepresentation
bin1100000011101…
…11010100011111
321001100001111112
412001313110133
5201343331111
614012012235
72335530611
oct601672437
9231301445
10101152031
1152109022
1229a6107b
1317c57c96
14d610db1
158d30e8b
hex607751f

101152031 has 8 divisors (see below), whose sum is σ = 102412128. Its totient is φ = 99900000.

The previous prime is 101152003. The next prime is 101152049. The reversal of 101152031 is 130251101.

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 101152031 - 214 = 101135647 is a prime.

It is a super-2 number, since 2×1011520312 = 20463466750849922, 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 = 101151997 and 101152015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101152001) 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, 25481 + ... + 29181.

It is an arithmetic number, because the mean of its divisors is an integer number (12801516).

Almost surely, 2101152031 is an apocalyptic number.

101152031 is a deficient number, since it is larger than the sum of its proper divisors (1260097).

101152031 is a wasteful number, since it uses less digits than its factorization.

101152031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4033.

The product of its (nonzero) digits is 30, while the sum is 14.

The square root of 101152031 is about 10057.4366018385. The cubic root of 101152031 is about 465.9345002403.

The spelling of 101152031 in words is "one hundred one million, one hundred fifty-two thousand, thirty-one".

Divisors: 1 151 181 3701 27331 558851 669881 101152031