13131021030 has 32 divisors (see below), whose sum is σ = 33173107200. Its totient is φ = 3317310432.

The previous prime is 13131020999. The next prime is 13131021067. The reversal of 13131021030 is 3012013131.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11517870 + ... + 11519009.

It is an arithmetic number, because the mean of its divisors is an integer number (1036659600).

Almost surely, 2^13131021030 is an apocalyptic number.

13131021030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13131021030 is an abundant number, since it is smaller than the sum of its proper divisors (20042086170).

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

13131021030 is a wasteful number, since it uses less digits than its factorization.

13131021030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23036908.

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 13131021030 its reverse (3012013131), we get a palindrome (16143034161).

The spelling of 13131021030 in words is "thirteen billion, one hundred thirty-one million, twenty-one thousand, thirty".