131000213100 has 72 divisors (see below), whose sum is σ = 389271296848. Its totient is φ = 33989241600.

The previous prime is 131000213041. The next prime is 131000213101. The reversal of 131000213100 is 1312000131.

It is a super-2 number, since 2×131000213100² (a number of 23 digits) contains 22 as substring.

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 (131000213101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5889811 + ... + 5912010.

Almost surely, 2^131000213100 is an apocalyptic number.

131000213100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131000213100 is an abundant number, since it is smaller than the sum of its proper divisors (258271083748).

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

131000213100 is a wasteful number, since it uses less digits than its factorization.

131000213100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11801875 (or 11801868 counting only the distinct ones).

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

Adding to 131000213100 its reverse (1312000131), we get a palindrome (132312213231).

The spelling of 131000213100 in words is "one hundred thirty-one billion, two hundred thirteen thousand, one hundred".