131231542300 has 36 divisors (see below), whose sum is σ = 284813524240. Its totient is φ = 52485045120.

The previous prime is 131231542259. The next prime is 131231542303. The reversal of 131231542300 is 3245132131.

It is a happy number.

131231542300 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131231542303) 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, 629656 + ... + 811744.

Almost surely, 2^131231542300 is an apocalyptic number.

131231542300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131231542300 is an abundant number, since it is smaller than the sum of its proper divisors (153581981940).

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

131231542300 is a wasteful number, since it uses less digits than its factorization.

131231542300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189310 (or 189303 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 131231542300 its reverse (3245132131), we get a palindrome (134476674431).

The spelling of 131231542300 in words is "one hundred thirty-one billion, two hundred thirty-one million, five hundred forty-two thousand, three hundred".