131300120100 has 72 divisors (see below), whose sum is σ = 381043021408. Its totient is φ = 34907558400.

The previous prime is 131300120099. The next prime is 131300120101. The reversal of 131300120100 is 1021003131.

It is an interprime number because it is at equal distance from previous prime (131300120099) and next prime (131300120101).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (131300120101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 561829 + ... + 760428.

Almost surely, 2^131300120100 is an apocalyptic number.

131300120100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131300120100 is an abundant number, since it is smaller than the sum of its proper divisors (249742901308).

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

131300120100 is a wasteful number, since it uses less digits than its factorization.

131300120100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1322605 (or 1322598 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 131300120100 its reverse (1021003131), we get a palindrome (132321123231).

The spelling of 131300120100 in words is "one hundred thirty-one billion, three hundred million, one hundred twenty thousand, one hundred".