131110320004 has 12 divisors (see below), whose sum is σ = 230015240028. Its totient is φ = 65391680000.

The previous prime is 131110319999. The next prime is 131110320037. The reversal of 131110320004 is 400023011131.

It can be written as a sum of positive squares in 2 ways, for example, as 87805542400 + 43304777604 = 296320^2 + 208098^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 131110320004.

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, 40868197 + ... + 40871404.

It is an arithmetic number, because the mean of its divisors is an integer number (19167936669).

Almost surely, 2^131110320004 is an apocalyptic number.

It is an amenable number.

131110320004 is a deficient number, since it is larger than the sum of its proper divisors (98904920024).

131110320004 is a wasteful number, since it uses less digits than its factorization.

131110320004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81740006 (or 81740004 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 131110320004 its reverse (400023011131), we get a palindrome (531133331135).

The spelling of 131110320004 in words is "one hundred thirty-one billion, one hundred ten million, three hundred twenty thousand, four".