231053506656656 has 10 divisors (see below), whose sum is σ = 447666169147302. Its totient is φ = 115526753328320.

The previous prime is 231053506656593. The next prime is 231053506656659. The reversal of 231053506656656 is 656656605350132.

It can be written as a sum of positive squares in only one way, i.e., 218876756826256 + 12176749830400 = 14794484^2 + 3489520^2 .

It is a junction number, because it is equal to n+sod(n) for n = 231053506656595 and 231053506656604.

It is not an unprimeable number, because it can be changed into a prime (231053506656659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7220422083005 + ... + 7220422083036.

Almost surely, 2^{231053506656656} is an apocalyptic number.

It is an amenable number.

231053506656656 is a deficient number, since it is larger than the sum of its proper divisors (216612662490646).

231053506656656 is a wasteful number, since it uses less digits than its factorization.

231053506656656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14440844166049 (or 14440844166043 counting only the distinct ones).

The product of its (nonzero) digits is 87480000, while the sum is 59.

The spelling of 231053506656656 in words is "two hundred thirty-one trillion, fifty-three billion, five hundred six million, six hundred fifty-six thousand, six hundred fifty-six".