870157131 has 8 divisors (see below), whose sum is σ = 1179229584. Its totient is φ = 570594720.

The previous prime is 870157129. The next prime is 870157139. The reversal of 870157131 is 131751078.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 870157131 - 2¹ = 870157129 is a prime.

It is a super-2 number, since 2×870157131² = 1514346865260302322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 870157092 and 870157101.

It is not an unprimeable number, because it can be changed into a prime (870157139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2377296 + ... + 2377661.

It is an arithmetic number, because the mean of its divisors is an integer number (147403698).

Almost surely, 2^870157131 is an apocalyptic number.

870157131 is a deficient number, since it is larger than the sum of its proper divisors (309072453).

870157131 is a wasteful number, since it uses less digits than its factorization.

870157131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4755021.

The product of its (nonzero) digits is 5880, while the sum is 33.

The square root of 870157131 is about 29498.4259071565. The cubic root of 870157131 is about 954.6977401125.

The spelling of 870157131 in words is "eight hundred seventy million, one hundred fifty-seven thousand, one hundred thirty-one".