131226502504 has 32 divisors (see below), whose sum is σ = 259893469440. Its totient is φ = 62020022400.

The previous prime is 131226502499. The next prime is 131226502541. The reversal of 131226502504 is 405205622131.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6142117 + ... + 6163444.

It is an arithmetic number, because the mean of its divisors is an integer number (8121670920).

Almost surely, 2^131226502504 is an apocalyptic number.

It is an amenable number.

131226502504 is a deficient number, since it is larger than the sum of its proper divisors (128666966936).

131226502504 is a wasteful number, since it uses less digits than its factorization.

131226502504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12305641 (or 12305637 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

The spelling of 131226502504 in words is "one hundred thirty-one billion, two hundred twenty-six million, five hundred two thousand, five hundred four".