10031011320 has 96 divisors (see below), whose sum is σ = 33077514960. Its totient is φ = 2431756800.

The previous prime is 10031011301. The next prime is 10031011327. The reversal of 10031011320 is 2311013001.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 10031011296 and 10031011305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10031011327) 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, 330901 + ... + 359940.

Almost surely, 2^10031011320 is an apocalyptic number.

10031011320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10031011320 is an abundant number, since it is smaller than the sum of its proper divisors (23046503640).

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

10031011320 is a wasteful number, since it uses less digits than its factorization.

10031011320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690877 (or 690862 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 10031011320 its reverse (2311013001), we get a palindrome (12342024321).

The spelling of 10031011320 in words is "ten billion, thirty-one million, eleven thousand, three hundred twenty".