10311131000 has 64 divisors (see below), whose sum is σ = 24716633760. Its totient is φ = 4023840000.

The previous prime is 10311130997. The next prime is 10311131009. The reversal of 10311131000 is 13111301.

It is a happy number.

It is a super-2 number, since 2×10311131000² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10311131009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84746 + ... + 166745.

Almost surely, 2^10311131000 is an apocalyptic number.

10311131000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10311131000 is an abundant number, since it is smaller than the sum of its proper divisors (14405502760).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10311131000 is a wasteful number, since it uses less digits than its factorization.

10311131000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251553 (or 251539 counting only the distinct ones).

The product of its (nonzero) digits is 9, while the sum is 11.

Adding to 10311131000 its reverse (13111301), we get a palindrome (10324242301).

The spelling of 10311131000 in words is "ten billion, three hundred eleven million, one hundred thirty-one thousand".