103131131208 has 32 divisors (see below), whose sum is σ = 294660375360. Its totient is φ = 29466037440.

The previous prime is 103131131197. The next prime is 103131131269. The reversal of 103131131208 is 802131131301.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 306937723 + ... + 306938058.

It is an arithmetic number, because the mean of its divisors is an integer number (9208136730).

Almost surely, 2^103131131208 is an apocalyptic number.

It is an amenable number.

103131131208 is an abundant number, since it is smaller than the sum of its proper divisors (191529244152).

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

103131131208 is a wasteful number, since it uses less digits than its factorization.

103131131208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 613875797 (or 613875793 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 24.

Adding to 103131131208 its reverse (802131131301), we get a palindrome (905262262509).

The spelling of 103131131208 in words is "one hundred three billion, one hundred thirty-one million, one hundred thirty-one thousand, two hundred eight".