103131212310 has 64 divisors (see below), whose sum is σ = 314304652800. Its totient is φ = 23572848096.

The previous prime is 103131212293. The next prime is 103131212323. The reversal of 103131212310 is 13212131301.

103131212310 is a `hidden beast` number, since 1 + 0 + 31 + 312 + 12 + 310 = 666.

It is a super-2 number, since 2×103131212310² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27281500 + ... + 27285279.

It is an arithmetic number, because the mean of its divisors is an integer number (4911010200).

Almost surely, 2^103131212310 is an apocalyptic number.

103131212310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

103131212310 is an abundant number, since it is smaller than the sum of its proper divisors (211173440490).

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

103131212310 is a wasteful number, since it uses less digits than its factorization.

103131212310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54566802 (or 54566796 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 103131212310 its reverse (13212131301), we get a palindrome (116343343611).

The spelling of 103131212310 in words is "one hundred three billion, one hundred thirty-one million, two hundred twelve thousand, three hundred ten".