10231131031 has 4 divisors (see below), whose sum is σ = 11161233864. Its totient is φ = 9301028200.

The previous prime is 10231131023. The next prime is 10231131061. The reversal of 10231131031 is 13013113201.

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 10231131031 - 2³ = 10231131023 is a prime.

It is a super-2 number, since 2×10231131031² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10231130996 and 10231131014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10231131011) 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, 465051400 + ... + 465051421.

It is an arithmetic number, because the mean of its divisors is an integer number (2790308466).

Almost surely, 2^10231131031 is an apocalyptic number.

10231131031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

10231131031 is a deficient number, since it is larger than the sum of its proper divisors (930102833).

10231131031 is an equidigital number, since it uses as much as digits as its factorization.

10231131031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 930102832.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 10231131031 its reverse (13013113201), we get a palindrome (23244244232).

It can be divided in two parts, 1023113 and 1031, that added together give a square (1024144 = 1012²).

The spelling of 10231131031 in words is "ten billion, two hundred thirty-one million, one hundred thirty-one thousand, thirty-one".