131210210100 has 36 divisors (see below), whose sum is σ = 379634875424. Its totient is φ = 34989389280.

The previous prime is 131210210093. The next prime is 131210210123. The reversal of 131210210100 is 1012012131.

It is a super-2 number, since 2×131210210100² (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 a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 218683384 + ... + 218683983.

Almost surely, 2^131210210100 is an apocalyptic number.

131210210100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131210210100 is an abundant number, since it is smaller than the sum of its proper divisors (248424665324).

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

131210210100 is a wasteful number, since it uses less digits than its factorization.

131210210100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437367384 (or 437367377 counting only the distinct ones).

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

Adding to 131210210100 its reverse (1012012131), we get a palindrome (132222222231).

The spelling of 131210210100 in words is "one hundred thirty-one billion, two hundred ten million, two hundred ten thousand, one hundred".