3230721158157 has 48 divisors (see below), whose sum is σ = 4922191834560. Its totient is φ = 2117031552000.

The previous prime is 3230721158123. The next prime is 3230721158293. The reversal of 3230721158157 is 7518511270323.

3230721158157 is a `hidden beast` number, since 3 + 2 + 3 + 0 + 7 + 2 + 11 + 581 + 57 = 666.

It is not a de Polignac number, because 3230721158157 - 2⁷ = 3230721158029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3230721158057) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 21433069 + ... + 21583277.

It is an arithmetic number, because the mean of its divisors is an integer number (102545663220).

Almost surely, 2^{3230721158157} is an apocalyptic number.

It is an amenable number.

3230721158157 is a deficient number, since it is larger than the sum of its proper divisors (1691470676403).

3230721158157 is a wasteful number, since it uses less digits than its factorization.

3230721158157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151736 (or 151724 counting only the distinct ones).

The product of its (nonzero) digits is 352800, while the sum is 45.

The spelling of 3230721158157 in words is "three trillion, two hundred thirty billion, seven hundred twenty-one million, one hundred fifty-eight thousand, one hundred fifty-seven".