70317145231 has 32 divisors (see below), whose sum is σ = 73542712320. Its totient is φ = 67190323200.

The previous prime is 70317145229. The next prime is 70317145253. The reversal of 70317145231 is 13254171307.

It is a cyclic number.

It is not a de Polignac number, because 70317145231 - 2¹ = 70317145229 is a prime.

It is a super-2 number, since 2×70317145231² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70317125231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 167821140 + ... + 167821558.

It is an arithmetic number, because the mean of its divisors is an integer number (2298209760).

Almost surely, 2^70317145231 is an apocalyptic number.

70317145231 is a deficient number, since it is larger than the sum of its proper divisors (3225567089).

70317145231 is a wasteful number, since it uses less digits than its factorization.

70317145231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 975.

The product of its (nonzero) digits is 17640, while the sum is 34.

The spelling of 70317145231 in words is "seventy billion, three hundred seventeen million, one hundred forty-five thousand, two hundred thirty-one".