131403304412 has 12 divisors (see below), whose sum is σ = 237885292680. Its totient is φ = 63436077936.

The previous prime is 131403304387. The next prime is 131403304421. The reversal of 131403304412 is 214403304131.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 566393438 + ... + 566393669.

It is an arithmetic number, because the mean of its divisors is an integer number (19823774390).

Almost surely, 2^131403304412 is an apocalyptic number.

It is an amenable number.

131403304412 is a deficient number, since it is larger than the sum of its proper divisors (106481988268).

131403304412 is a wasteful number, since it uses less digits than its factorization.

131403304412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1132787140 (or 1132787138 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 131403304412 its reverse (214403304131), we get a palindrome (345806608543).

The spelling of 131403304412 in words is "one hundred thirty-one billion, four hundred three million, three hundred four thousand, four hundred twelve".