231461051 has 2 divisors, whose sum is σ = 231461052. Its totient is φ = 231461050.

The previous prime is 231461039. The next prime is 231461101. The reversal of 231461051 is 150164132.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-231461051 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (231461551) 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 as a sum of consecutive naturals, namely, 115730525 + 115730526.

It is an arithmetic number, because the mean of its divisors is an integer number (115730526).

Almost surely, 2^231461051 is an apocalyptic number.

231461051 is a deficient number, since it is larger than the sum of its proper divisors (1).

231461051 is an equidigital number, since it uses as much as digits as its factorization.

231461051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 231461051 is about 15213.8440573052. The cubic root of 231461051 is about 613.9871852730.

The spelling of 231461051 in words is "two hundred thirty-one million, four hundred sixty-one thousand, fifty-one".