10102031231 has 4 divisors (see below), whose sum is σ = 10181574912. Its totient is φ = 10022487552.

The previous prime is 10102031221. The next prime is 10102031263. The reversal of 10102031231 is 13213020101.

10102031231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 10102031231 - 2²² = 10097836927 is a prime.

It is a super-2 number, since 2×10102031231² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10102031221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39771650 + ... + 39771903.

It is an arithmetic number, because the mean of its divisors is an integer number (2545393728).

Almost surely, 2^10102031231 is an apocalyptic number.

10102031231 is a deficient number, since it is larger than the sum of its proper divisors (79543681).

10102031231 is an equidigital number, since it uses as much as digits as its factorization.

10102031231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79543680.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 10102031231 its reverse (13213020101), we get a palindrome (23315051332).

The spelling of 10102031231 in words is "ten billion, one hundred two million, thirty-one thousand, two hundred thirty-one".