231613230652620 has 96 divisors (see below), whose sum is σ = 665943818909376. Its totient is φ = 60124712140800.

The previous prime is 231613230652561. The next prime is 231613230652663. The reversal of 231613230652620 is 26256032316132.

It is a super-2 number, since 2×231613230652620² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 325842421 + ... + 326552460.

It is an arithmetic number, because the mean of its divisors is an integer number (6936914780306).

Almost surely, 2^{231613230652620} is an apocalyptic number.

231613230652620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231613230652620 is an abundant number, since it is smaller than the sum of its proper divisors (434330588256756).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231613230652620 is a wasteful number, since it uses less digits than its factorization.

231613230652620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652395051 (or 652395049 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 42.

Adding to 231613230652620 its reverse (26256032316132), we get a palindrome (257869262968752).

The spelling of 231613230652620 in words is "two hundred thirty-one trillion, six hundred thirteen billion, two hundred thirty million, six hundred fifty-two thousand, six hundred twenty".