870174131 has 2 divisors, whose sum is σ = 870174132. Its totient is φ = 870174130.

The previous prime is 870174127. The next prime is 870174133. The reversal of 870174131 is 131471078.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 870174131 - 2² = 870174127 is a prime.

It is a super-2 number, since 2×870174131² = 1514406036523210322, which contains 22 as substring.

Together with 870174133, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (870174133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 435087065 + 435087066.

It is an arithmetic number, because the mean of its divisors is an integer number (435087066).

Almost surely, 2^870174131 is an apocalyptic number.

870174131 is a deficient number, since it is larger than the sum of its proper divisors (1).

870174131 is an equidigital number, since it uses as much as digits as its factorization.

870174131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4704, while the sum is 32.

The square root of 870174131 is about 29498.7140567178. The cubic root of 870174131 is about 954.7039572869.

The spelling of 870174131 in words is "eight hundred seventy million, one hundred seventy-four thousand, one hundred thirty-one".