231462131 has 2 divisors, whose sum is σ = 231462132. Its totient is φ = 231462130.

The previous prime is 231462103. The next prime is 231462173. The reversal of 231462131 is 131264132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 231462131 - 2¹⁰ = 231461107 is a prime.

It is a super-2 number, since 2×231462131² = 107149436174122322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 231462097 and 231462106.

It is not a weakly prime, because it can be changed into another prime (231462331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115731065 + 115731066.

It is an arithmetic number, because the mean of its divisors is an integer number (115731066).

Almost surely, 2^231462131 is an apocalyptic number.

231462131 is a deficient number, since it is larger than the sum of its proper divisors (1).

231462131 is an equidigital number, since it uses as much as digits as its factorization.

231462131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 864, while the sum is 23.

The square root of 231462131 is about 15213.8795512519. The cubic root of 231462131 is about 613.9881402286.

The spelling of 231462131 in words is "two hundred thirty-one million, four hundred sixty-two thousand, one hundred thirty-one".