997000130130131 has 16 divisors (see below), whose sum is σ = 1078410702689280. Its totient is φ = 918130055560320.

The previous prime is 997000130130089. The next prime is 997000130130157. The reversal of 997000130130131 is 131031031000799.

It is a cyclic number.

It is not a de Polignac number, because 997000130130131 - 2²⁶ = 997000063021267 is a prime.

It is a super-2 number, since 2×997000130130131² (a number of 31 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (997000130130161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 172459805 + ... + 178147086.

It is an arithmetic number, because the mean of its divisors is an integer number (67400668918080).

Almost surely, 2^{997000130130131} is an apocalyptic number.

997000130130131 is a deficient number, since it is larger than the sum of its proper divisors (81410572559149).

997000130130131 is a wasteful number, since it uses less digits than its factorization.

997000130130131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350610514.

The product of its (nonzero) digits is 15309, while the sum is 38.

The spelling of 997000130130131 in words is "nine hundred ninety-seven trillion, one hundred thirty million, one hundred thirty thousand, one hundred thirty-one".