131311300432 has 80 divisors (see below), whose sum is σ = 280831525632. Its totient is φ = 59100387840.

The previous prime is 131311300427. The next prime is 131311300447. The reversal of 131311300432 is 234003113131.

It is a super-2 number, since 2×131311300432² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2683707 + ... + 2732197.

Almost surely, 2^131311300432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131311300432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140415762816).

131311300432 is an abundant number, since it is smaller than the sum of its proper divisors (149520225200).

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

131311300432 is a wasteful number, since it uses less digits than its factorization.

131311300432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48836 (or 48830 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 131311300432 its reverse (234003113131), we get a palindrome (365314413563).

The spelling of 131311300432 in words is "one hundred thirty-one billion, three hundred eleven million, three hundred thousand, four hundred thirty-two".