231546240516652 has 12 divisors (see below), whose sum is σ = 405206062266600. Its totient is φ = 115773079869056.

The previous prime is 231546240516641. The next prime is 231546240516671. The reversal of 231546240516652 is 256615042645132.

It is a super-2 number, since 2×231546240516652² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 231546240516652.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5467503 + ... + 22203289.

It is an arithmetic number, because the mean of its divisors is an integer number (33767171855550).

Almost surely, 2^{231546240516652} is an apocalyptic number.

It is an amenable number.

231546240516652 is a deficient number, since it is larger than the sum of its proper divisors (173659821749948).

231546240516652 is a wasteful number, since it uses less digits than its factorization.

231546240516652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20194640 (or 20194638 counting only the distinct ones).

The product of its (nonzero) digits is 10368000, while the sum is 52.

The spelling of 231546240516652 in words is "two hundred thirty-one trillion, five hundred forty-six billion, two hundred forty million, five hundred sixteen thousand, six hundred fifty-two".