231207502621630 has 48 divisors (see below), whose sum is σ = 424094891783472. Its totient is φ = 90738528912000.

The previous prime is 231207502621621. The next prime is 231207502621631. The reversal of 231207502621630 is 36126205702132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231207502621631) 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, 22290205 + ... + 30972055.

It is an arithmetic number, because the mean of its divisors is an integer number (8835310245489).

Almost surely, 2^{231207502621630} is an apocalyptic number.

231207502621630 is a deficient number, since it is larger than the sum of its proper divisors (192887389161842).

231207502621630 is an equidigital number, since it uses as much as digits as its factorization.

231207502621630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8682313 (or 8682122 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 40.

The spelling of 231207502621630 in words is "two hundred thirty-one trillion, two hundred seven billion, five hundred two million, six hundred twenty-one thousand, six hundred thirty".