232151322051 has 32 divisors (see below), whose sum is σ = 375280266240. Its totient is φ = 140665442400.

The previous prime is 232151322017. The next prime is 232151322061. The reversal of 232151322051 is 150223151232.

232151322051 is a `hidden beast` number, since 2 + 321 + 5 + 132 + 205 + 1 = 666.

It is not a de Polignac number, because 232151322051 - 2⁹ = 232151321539 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (232151322061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1237941 + ... + 1413081.

It is an arithmetic number, because the mean of its divisors is an integer number (11727508320).

Almost surely, 2^232151322051 is an apocalyptic number.

232151322051 is a deficient number, since it is larger than the sum of its proper divisors (143128944189).

232151322051 is a wasteful number, since it uses less digits than its factorization.

232151322051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179624 (or 179618 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

Adding to 232151322051 its reverse (150223151232), we get a palindrome (382374473283).

The spelling of 232151322051 in words is "two hundred thirty-two billion, one hundred fifty-one million, three hundred twenty-two thousand, fifty-one".