131403315221312 has 28 divisors (see below), whose sum is σ = 260759060050560. Its totient is φ = 65700244972416.

The previous prime is 131403315221267. The next prime is 131403315221327. The reversal of 131403315221312 is 213122513304131.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (32).

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, 19069418 + ... + 25028969.

Almost surely, 2^{131403315221312} is an apocalyptic number.

It is an amenable number.

131403315221312 is a deficient number, since it is larger than the sum of its proper divisors (129355744829248).

131403315221312 is an equidigital number, since it uses as much as digits as its factorization.

131403315221312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44144958 (or 44144948 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 32.

Adding to 131403315221312 its reverse (213122513304131), we get a palindrome (344525828525443).

The spelling of 131403315221312 in words is "one hundred thirty-one trillion, four hundred three billion, three hundred fifteen million, two hundred twenty-one thousand, three hundred twelve".