131193433604 has 24 divisors (see below), whose sum is σ = 235930240728. Its totient is φ = 63794888960.

The previous prime is 131193433603. The next prime is 131193433619. The reversal of 131193433604 is 406334391131.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 6520885504 + 124672548100 = 80752^2 + 353090^2 .

It is not an unprimeable number, because it can be changed into a prime (131193433601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1209779 + ... + 1313754.

It is an arithmetic number, because the mean of its divisors is an integer number (9830426697).

Almost surely, 2^131193433604 is an apocalyptic number.

It is an amenable number.

131193433604 is a deficient number, since it is larger than the sum of its proper divisors (104736807124).

131193433604 is a wasteful number, since it uses less digits than its factorization.

131193433604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2523895 (or 2523893 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 38.

The spelling of 131193433604 in words is "one hundred thirty-one billion, one hundred ninety-three million, four hundred thirty-three thousand, six hundred four".