131012030100 has 108 divisors (see below), whose sum is σ = 440949110784. Its totient is φ = 29945603520.

The previous prime is 131012030099. The next prime is 131012030111. The reversal of 131012030100 is 1030210131.

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 pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 4441492 + ... + 4470891.

Almost surely, 2^131012030100 is an apocalyptic number.

131012030100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131012030100 is an abundant number, since it is smaller than the sum of its proper divisors (309937080684).

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

131012030100 is a wasteful number, since it uses less digits than its factorization.

131012030100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8912414 (or 8912400 counting only the distinct ones).

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

Adding to 131012030100 its reverse (1030210131), we get a palindrome (132042240231).

The spelling of 131012030100 in words is "one hundred thirty-one billion, twelve million, thirty thousand, one hundred".