102131323310 has 16 divisors (see below), whose sum is σ = 184899023136. Its totient is φ = 40616386848.

The previous prime is 102131323309. The next prime is 102131323339. The reversal of 102131323310 is 13323131201.

It is a super-2 number, since 2×102131323310² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

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, 29515994 + ... + 29519453.

It is an arithmetic number, because the mean of its divisors is an integer number (11556188946).

Almost surely, 2^102131323310 is an apocalyptic number.

102131323310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102131323310 is a deficient number, since it is larger than the sum of its proper divisors (82767699826).

102131323310 is a wasteful number, since it uses less digits than its factorization.

102131323310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59035627.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 102131323310 its reverse (13323131201), we get a palindrome (115454454511).

The spelling of 102131323310 in words is "one hundred two billion, one hundred thirty-one million, three hundred twenty-three thousand, three hundred ten".