232061355631 has 4 divisors (see below), whose sum is σ = 265212977872. Its totient is φ = 198909733392.

The previous prime is 232061355623. The next prime is 232061355661. The reversal of 232061355631 is 136553160232.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 232061355631 - 2³ = 232061355623 is a prime.

It is a super-2 number, since 2×232061355631² (a number of 24 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 (232061355661) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 16575811110 + ... + 16575811123.

It is an arithmetic number, because the mean of its divisors is an integer number (66303244468).

Almost surely, 2^232061355631 is an apocalyptic number.

232061355631 is a deficient number, since it is larger than the sum of its proper divisors (33151622241).

232061355631 is an equidigital number, since it uses as much as digits as its factorization.

232061355631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33151622240.

The product of its (nonzero) digits is 97200, while the sum is 37.

The spelling of 232061355631 in words is "two hundred thirty-two billion, sixty-one million, three hundred fifty-five thousand, six hundred thirty-one".