230631266660517 has 24 divisors (see below), whose sum is σ = 338110588795616. Its totient is φ = 151457374116576.

The previous prime is 230631266660513. The next prime is 230631266660519. The reversal of 230631266660517 is 715066662136032.

It is not a de Polignac number, because 230631266660517 - 2² = 230631266660513 is a prime.

It is a super-2 number, since 2×230631266660517² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230631266660513) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44776983 + ... + 49661259.

Almost surely, 2^{230631266660517} is an apocalyptic number.

It is an amenable number.

230631266660517 is a deficient number, since it is larger than the sum of its proper divisors (107479322135099).

230631266660517 is a wasteful number, since it uses less digits than its factorization.

230631266660517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4962657 (or 4962654 counting only the distinct ones).

The product of its (nonzero) digits is 9797760, while the sum is 54.

The spelling of 230631266660517 in words is "two hundred thirty trillion, six hundred thirty-one billion, two hundred sixty-six million, six hundred sixty thousand, five hundred seventeen".