10312311020 has 24 divisors (see below), whose sum is σ = 23624567568. Its totient is φ = 3749931200.

The previous prime is 10312311017. The next prime is 10312311043. The reversal of 10312311020 is 2011321301.

It is a junction number, because it is equal to n+sod(n) for n = 10312310986 and 10312311004.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23436851 + ... + 23437290.

It is an arithmetic number, because the mean of its divisors is an integer number (984356982).

Almost surely, 2^10312311020 is an apocalyptic number.

10312311020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10312311020 is an abundant number, since it is smaller than the sum of its proper divisors (13312256548).

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

10312311020 is a wasteful number, since it uses less digits than its factorization.

10312311020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46874161 (or 46874159 counting only the distinct ones).

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

Adding to 10312311020 its reverse (2011321301), we get a palindrome (12323632321).

The spelling of 10312311020 in words is "ten billion, three hundred twelve million, three hundred eleven thousand, twenty".