31601230117 has 8 divisors (see below), whose sum is σ = 32089166816. Its totient is φ = 31113772272.

The previous prime is 31601230033. The next prime is 31601230123. The reversal of 31601230117 is 71103210613.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31601230117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31601230091 and 31601230100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31601230127) 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, 14443 + ... + 251815.

It is an arithmetic number, because the mean of its divisors is an integer number (4011145852).

Almost surely, 2^31601230117 is an apocalyptic number.

It is an amenable number.

31601230117 is a deficient number, since it is larger than the sum of its proper divisors (487936699).

31601230117 is a wasteful number, since it uses less digits than its factorization.

31601230117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239427.

The product of its (nonzero) digits is 756, while the sum is 25.

The spelling of 31601230117 in words is "thirty-one billion, six hundred one million, two hundred thirty thousand, one hundred seventeen".