131445131700 has 72 divisors (see below), whose sum is σ = 382225883200. Its totient is φ = 34875878400.

The previous prime is 131445131659. The next prime is 131445131717. The reversal of 131445131700 is 7131544131.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1041181 + ... + 1160580.

Almost surely, 2^131445131700 is an apocalyptic number.

131445131700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131445131700 is an abundant number, since it is smaller than the sum of its proper divisors (250780751500).

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

131445131700 is a wasteful number, since it uses less digits than its factorization.

131445131700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2201977 (or 2201970 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 30.

Adding to 131445131700 its reverse (7131544131), we get a palindrome (138576675831).

The spelling of 131445131700 in words is "one hundred thirty-one billion, four hundred forty-five million, one hundred thirty-one thousand, seven hundred".