131312625700 has 36 divisors (see below), whose sum is σ = 301710072132. Its totient is φ = 49435340800.

The previous prime is 131312625679. The next prime is 131312625701. The reversal of 131312625700 is 7526213131.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 3840776676 + 127471849024 = 61974^2 + 357032^2 .

It is not an unprimeable number, because it can be changed into a prime (131312625701) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38619661 + ... + 38623060.

It is an arithmetic number, because the mean of its divisors is an integer number (8380835337).

Almost surely, 2^131312625700 is an apocalyptic number.

131312625700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131312625700 is an abundant number, since it is smaller than the sum of its proper divisors (170397446432).

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

131312625700 is a wasteful number, since it uses less digits than its factorization.

131312625700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77242752 (or 77242745 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 31.

Adding to 131312625700 its reverse (7526213131), we get a palindrome (138838838831).

The spelling of 131312625700 in words is "one hundred thirty-one billion, three hundred twelve million, six hundred twenty-five thousand, seven hundred".