131131434324 has 24 divisors (see below), whose sum is σ = 333789105888. Its totient is φ = 39736798240.

The previous prime is 131131434257. The next prime is 131131434337. The reversal of 131131434324 is 423434131131.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 131131434291 and 131131434300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 496709847 + ... + 496710110.

It is an arithmetic number, because the mean of its divisors is an integer number (13907879412).

Almost surely, 2^131131434324 is an apocalyptic number.

It is an amenable number.

131131434324 is an abundant number, since it is smaller than the sum of its proper divisors (202657671564).

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

131131434324 is a wasteful number, since it uses less digits than its factorization.

131131434324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 993419975 (or 993419973 counting only the distinct ones).

The product of its digits is 10368, while the sum is 30.

Adding to 131131434324 its reverse (423434131131), we get a palindrome (554565565455).

The spelling of 131131434324 in words is "one hundred thirty-one billion, one hundred thirty-one million, four hundred thirty-four thousand, three hundred twenty-four".