103131132500 has 60 divisors (see below), whose sum is σ = 246029695296. Its totient is φ = 37502220000.

The previous prime is 103131132497. The next prime is 103131132547. The reversal of 103131132500 is 5231131301.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1847612 + ... + 1902611.

Almost surely, 2^103131132500 is an apocalyptic number.

103131132500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103131132500 is an abundant number, since it is smaller than the sum of its proper divisors (142898562796).

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

103131132500 is a wasteful number, since it uses less digits than its factorization.

103131132500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3750258 (or 3750241 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 20.

Adding to 103131132500 its reverse (5231131301), we get a palindrome (108362263801).

The spelling of 103131132500 in words is "one hundred three billion, one hundred thirty-one million, one hundred thirty-two thousand, five hundred".