231462331 has 2 divisors, whose sum is σ = 231462332. Its totient is φ = 231462330.

The previous prime is 231462323. The next prime is 231462347. The reversal of 231462331 is 133264132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 231462331 - 2³ = 231462323 is a prime.

It is a super-2 number, since 2×231462331² = 107149621343907122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 231462296 and 231462305.

It is not a weakly prime, because it can be changed into another prime (231462131) 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 as a sum of consecutive naturals, namely, 115731165 + 115731166.

It is an arithmetic number, because the mean of its divisors is an integer number (115731166).

Almost surely, 2^231462331 is an apocalyptic number.

231462331 is a deficient number, since it is larger than the sum of its proper divisors (1).

231462331 is an equidigital number, since it uses as much as digits as its factorization.

231462331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2592, while the sum is 25.

The square root of 231462331 is about 15213.8861241959. The cubic root of 231462331 is about 613.9883170720.

The spelling of 231462331 in words is "two hundred thirty-one million, four hundred sixty-two thousand, three hundred thirty-one".