131403354312015 has 32 divisors (see below), whose sum is σ = 233663318965440. Its totient is φ = 70064582243328.

The previous prime is 131403354311897. The next prime is 131403354312017. The reversal of 131403354312015 is 510213453304131.

131403354312015 is a `hidden beast` number, since 1 + 3 + 1 + 4 + 0 + 335 + 4 + 312 + 0 + 1 + 5 = 666.

131403354312015 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 131403354312015 - 2⁸ = 131403354311759 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131403354312017) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 118939242 + ... + 120038951.

It is an arithmetic number, because the mean of its divisors is an integer number (7301978717670).

Almost surely, 2^{131403354312015} is an apocalyptic number.

131403354312015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

131403354312015 is a deficient number, since it is larger than the sum of its proper divisors (102259964653425).

131403354312015 is a wasteful number, since it uses less digits than its factorization.

131403354312015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238982280 (or 238982274 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The spelling of 131403354312015 in words is "one hundred thirty-one trillion, four hundred three billion, three hundred fifty-four million, three hundred twelve thousand, fifteen".