10311213031 has 24 divisors (see below), whose sum is σ = 12738955536. Its totient is φ = 8292936960.

The previous prime is 10311213013. The next prime is 10311213083. The reversal of 10311213031 is 13031211301.

It is not a de Polignac number, because 10311213031 - 2⁷ = 10311212903 is a prime.

It is a super-2 number, since 2×10311213031² (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 = 10311212996 and 10311213014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10311213131) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 257025 + ... + 294421.

It is an arithmetic number, because the mean of its divisors is an integer number (530789814).

Almost surely, 2^10311213031 is an apocalyptic number.

10311213031 is a deficient number, since it is larger than the sum of its proper divisors (2427742505).

10311213031 is a wasteful number, since it uses less digits than its factorization.

10311213031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37759 (or 37752 counting only the distinct ones).

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

Adding to 10311213031 its reverse (13031211301), we get a palindrome (23342424332).

The spelling of 10311213031 in words is "ten billion, three hundred eleven million, two hundred thirteen thousand, thirty-one".