131395230477 has 12 divisors (see below), whose sum is σ = 216906412320. Its totient is φ = 75082988808.

The previous prime is 131395230467. The next prime is 131395230503. The reversal of 131395230477 is 774032593131.

131395230477 is a `hidden beast` number, since 13 + 139 + 5 + 2 + 30 + 477 = 666.

It is not a de Polignac number, because 131395230477 - 2⁶ = 131395230413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131395230427) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 1042819227 + ... + 1042819352.

It is an arithmetic number, because the mean of its divisors is an integer number (18075534360).

Almost surely, 2^131395230477 is an apocalyptic number.

It is an amenable number.

131395230477 is a deficient number, since it is larger than the sum of its proper divisors (85511181843).

131395230477 is a wasteful number, since it uses less digits than its factorization.

131395230477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2085638592 (or 2085638589 counting only the distinct ones).

The product of its (nonzero) digits is 476280, while the sum is 45.

The spelling of 131395230477 in words is "one hundred thirty-one billion, three hundred ninety-five million, two hundred thirty thousand, four hundred seventy-seven".