131404012031399 has 4 divisors (see below), whose sum is σ = 131868337162536. Its totient is φ = 130939686900264.

The previous prime is 131404012031359. The next prime is 131404012031431. The reversal of 131404012031399 is 993130210404131.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-131404012031399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131404012031359) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 232162565144 + ... + 232162565709.

It is an arithmetic number, because the mean of its divisors is an integer number (32967084290634).

Almost surely, 2^{131404012031399} is an apocalyptic number.

131404012031399 is a deficient number, since it is larger than the sum of its proper divisors (464325131137).

131404012031399 is an equidigital number, since it uses as much as digits as its factorization.

131404012031399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464325131136.

The product of its (nonzero) digits is 69984, while the sum is 41.

The spelling of 131404012031399 in words is "one hundred thirty-one trillion, four hundred four billion, twelve million, thirty-one thousand, three hundred ninety-nine".