10156343231 has 4 divisors (see below), whose sum is σ = 10430839032. Its totient is φ = 9881847432.

The previous prime is 10156343209. The next prime is 10156343251. The reversal of 10156343231 is 13234365101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10156343231 is a prime.

It is a super-2 number, since 2×10156343231² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10156343194 and 10156343203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10156343251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137247845 + ... + 137247918.

It is an arithmetic number, because the mean of its divisors is an integer number (2607709758).

Almost surely, 2^10156343231 is an apocalyptic number.

10156343231 is a deficient number, since it is larger than the sum of its proper divisors (274495801).

10156343231 is an equidigital number, since it uses as much as digits as its factorization.

10156343231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274495800.

The product of its (nonzero) digits is 6480, while the sum is 29.

The spelling of 10156343231 in words is "ten billion, one hundred fifty-six million, three hundred forty-three thousand, two hundred thirty-one".