422913397131 has 20 divisors (see below), whose sum is σ = 665010022600. Its totient is φ = 267103197216.

The previous prime is 422913397129. The next prime is 422913397157. The reversal of 422913397131 is 131793319224.

422913397131 is a `hidden beast` number, since 4 + 229 + 1 + 3 + 397 + 1 + 31 = 666.

It is not a de Polignac number, because 422913397131 - 2¹ = 422913397129 is a prime.

It is a super-2 number, since 2×422913397131² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (422913397121) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 137397226 + ... + 137400303.

It is an arithmetic number, because the mean of its divisors is an integer number (33250501130).

Almost surely, 2^422913397131 is an apocalyptic number.

422913397131 is a deficient number, since it is larger than the sum of its proper divisors (242096625469).

422913397131 is a wasteful number, since it uses less digits than its factorization.

422913397131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274797560 (or 274797551 counting only the distinct ones).

The product of its digits is 244944, while the sum is 45.

The spelling of 422913397131 in words is "four hundred twenty-two billion, nine hundred thirteen million, three hundred ninety-seven thousand, one hundred thirty-one".