131143134323432 has 96 divisors (see below), whose sum is σ = 308895525207360. Its totient is φ = 51093954912000.

The previous prime is 131143134323371. The next prime is 131143134323449. The reversal of 131143134323432 is 234323431341131.

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, 683649932 + ... + 683841732.

It is an arithmetic number, because the mean of its divisors is an integer number (3217661720910).

Almost surely, 2^{131143134323432} is an apocalyptic number.

It is an amenable number.

131143134323432 is an abundant number, since it is smaller than the sum of its proper divisors (177752390883928).

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

131143134323432 is a wasteful number, since it uses less digits than its factorization.

131143134323432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292743 (or 292728 counting only the distinct ones).

The product of its digits is 186624, while the sum is 38.

Adding to 131143134323432 its reverse (234323431341131), we get a palindrome (365466565664563).

The spelling of 131143134323432 in words is "one hundred thirty-one trillion, one hundred forty-three billion, one hundred thirty-four million, three hundred twenty-three thousand, four hundred thirty-two".