152820308331 has 12 divisors (see below), whose sum is σ = 220856588160. Its totient is φ = 101826601200.

The previous prime is 152820308323. The next prime is 152820308353. The reversal of 152820308331 is 133803028251.

It is a happy number.

152820308331 is a `hidden beast` number, since 1 + 528 + 20 + 3 + 0 + 83 + 31 = 666.

It is not a de Polignac number, because 152820308331 - 2³ = 152820308323 is a prime.

It is a super-2 number, since 2×152820308331² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (152820304331) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4448971 + ... + 4483188.

It is an arithmetic number, because the mean of its divisors is an integer number (18404715680).

Almost surely, 2^152820308331 is an apocalyptic number.

152820308331 is a deficient number, since it is larger than the sum of its proper divisors (68036279829).

152820308331 is a wasteful number, since it uses less digits than its factorization.

152820308331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8934066 (or 8934063 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The spelling of 152820308331 in words is "one hundred fifty-two billion, eight hundred twenty million, three hundred eight thousand, three hundred thirty-one".