10131210031 has 4 divisors (see below), whose sum is σ = 10131453352. Its totient is φ = 10130966712.

The previous prime is 10131210013. The next prime is 10131210041. The reversal of 10131210031 is 13001213101.

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 10131210031 - 2⁵ = 10131209999 is a prime.

It is a super-2 number, since 2×10131210031² (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 = 10131209993 and 10131210020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10131210041) 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, 41676 + ... + 148321.

It is an arithmetic number, because the mean of its divisors is an integer number (2532863338).

Almost surely, 2^10131210031 is an apocalyptic number.

10131210031 is a deficient number, since it is larger than the sum of its proper divisors (243321).

10131210031 is an equidigital number, since it uses as much as digits as its factorization.

10131210031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243320.

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 10131210031 its reverse (13001213101), we get a palindrome (23132423132).

The spelling of 10131210031 in words is "ten billion, one hundred thirty-one million, two hundred ten thousand, thirty-one".