131213300 has 18 divisors (see below), whose sum is σ = 284733078. Its totient is φ = 52485280.

The previous prime is 131213281. The next prime is 131213317. The reversal of 131213300 is 3312131.

It can be written as a sum of positive squares in 3 ways, for example, as 1162084 + 130051216 = 1078^2 + 11404^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 655967 + ... + 656166.

Almost surely, 2^131213300 is an apocalyptic number.

131213300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131213300 is an abundant number, since it is smaller than the sum of its proper divisors (153519778).

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

131213300 is a wasteful number, since it uses less digits than its factorization.

131213300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1312147 (or 1312140 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 131213300 is about 11454.8374060918. The cubic root of 131213300 is about 508.1508066949.

Adding to 131213300 its reverse (3312131), we get a palindrome (134525431).

The spelling of 131213300 in words is "one hundred thirty-one million, two hundred thirteen thousand, three hundred".