131402404304 has 40 divisors (see below), whose sum is σ = 270645192480. Its totient is φ = 61626960000.

The previous prime is 131402404303. The next prime is 131402404313. The reversal of 131402404304 is 403404204131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131402404303) 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, 2109122 + ... + 2170529.

It is an arithmetic number, because the mean of its divisors is an integer number (6766129812).

Almost surely, 2^131402404304 is an apocalyptic number.

It is an amenable number.

131402404304 is an abundant number, since it is smaller than the sum of its proper divisors (139242788176).

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

131402404304 is a wasteful number, since it uses less digits than its factorization.

131402404304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4279779 (or 4279773 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 131402404304 its reverse (403404204131), we get a palindrome (534806608435).

The spelling of 131402404304 in words is "one hundred thirty-one billion, four hundred two million, four hundred four thousand, three hundred four".