21313132030102 has 32 divisors (see below), whose sum is σ = 36772903584000. Its totient is φ = 9162581594400.

The previous prime is 21313132030087. The next prime is 21313132030123. The reversal of 21313132030102 is 20103023131312.

It is a Harshad number since it is a multiple of its sum of digits (22).

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, 42310849 + ... + 42811612.

It is an arithmetic number, because the mean of its divisors is an integer number (1149153237000).

Almost surely, 2^{21313132030102} is an apocalyptic number.

21313132030102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21313132030102 is a deficient number, since it is larger than the sum of its proper divisors (15459771553898).

21313132030102 is a wasteful number, since it uses less digits than its factorization.

21313132030102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85123092.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 21313132030102 its reverse (20103023131312), we get a palindrome (41416155161414).

The spelling of 21313132030102 in words is "twenty-one trillion, three hundred thirteen billion, one hundred thirty-two million, thirty thousand, one hundred two".