231120351 has 64 divisors (see below), whose sum is σ = 449433600. Its totient is φ = 113724000.

The previous prime is 231120341. The next prime is 231120377. The reversal of 231120351 is 153021132.

231120351 is a `hidden beast` number, since 2 + 311 + 2 + 0 + 351 = 666.

It is not a de Polignac number, because 231120351 - 2¹⁰ = 231119327 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231120341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 36576 + ... + 42426.

It is an arithmetic number, because the mean of its divisors is an integer number (7022400).

Almost surely, 2^231120351 is an apocalyptic number.

231120351 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

231120351 is a deficient number, since it is larger than the sum of its proper divisors (218313249).

231120351 is a wasteful number, since it uses less digits than its factorization.

231120351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5897 (or 5891 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 231120351 is about 15202.6428952337. The cubic root of 231120351 is about 613.6857837280.

Adding to 231120351 its reverse (153021132), we get a palindrome (384141483).

The spelling of 231120351 in words is "two hundred thirty-one million, one hundred twenty thousand, three hundred fifty-one".