230021012331 has 16 divisors (see below), whose sum is σ = 371751131520. Its totient is φ = 139406673960.

The previous prime is 230021012327. The next prime is 230021012339. The reversal of 230021012331 is 133210120032.

230021012331 is a `hidden beast` number, since 2 + 300 + 21 + 0 + 12 + 331 = 666.

It is not a de Polignac number, because 230021012331 - 2² = 230021012327 is a prime.

It is a super-2 number, since 2×230021012331² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (230021012339) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 387240465 + ... + 387241058.

It is an arithmetic number, because the mean of its divisors is an integer number (23234445720).

Almost surely, 2^230021012331 is an apocalyptic number.

230021012331 is a deficient number, since it is larger than the sum of its proper divisors (141730119189).

230021012331 is a wasteful number, since it uses less digits than its factorization.

230021012331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 774481543 (or 774481537 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 230021012331 its reverse (133210120032), we get a palindrome (363231132363).

The spelling of 230021012331 in words is "two hundred thirty billion, twenty-one million, twelve thousand, three hundred thirty-one".