113156031 has 8 divisors (see below), whose sum is σ = 152285184. Its totient is φ = 74732120.

The previous prime is 113155997. The next prime is 113156081. The reversal of 113156031 is 130651311.

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 113156031 - 2²⁶ = 46047167 is a prime.

It is a super-3 number, since 3×113156031³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 113155989 and 113156007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113156081) 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, 175935 + ... + 176576.

It is an arithmetic number, because the mean of its divisors is an integer number (19035648).

Almost surely, 2^113156031 is an apocalyptic number.

113156031 is a deficient number, since it is larger than the sum of its proper divisors (39129153).

113156031 is a wasteful number, since it uses less digits than its factorization.

113156031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352621.

The product of its (nonzero) digits is 270, while the sum is 21.

The square root of 113156031 is about 10637.4823619125. The cubic root of 113156031 is about 483.6812312022.

The spelling of 113156031 in words is "one hundred thirteen million, one hundred fifty-six thousand, thirty-one".