230547631 has 2 divisors, whose sum is σ = 230547632. Its totient is φ = 230547630.

The previous prime is 230547623. The next prime is 230547649. The reversal of 230547631 is 136745032.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 230547631 - 2³ = 230547623 is a prime.

It is a super-2 number, since 2×230547631² = 106304420319424322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 230547593 and 230547602.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230547601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115273815 + 115273816.

It is an arithmetic number, because the mean of its divisors is an integer number (115273816).

Almost surely, 2^230547631 is an apocalyptic number.

230547631 is a deficient number, since it is larger than the sum of its proper divisors (1).

230547631 is an equidigital number, since it uses as much as digits as its factorization.

230547631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 31.

The square root of 230547631 is about 15183.7950131053. The cubic root of 230547631 is about 613.1784566477.

The spelling of 230547631 in words is "two hundred thirty million, five hundred forty-seven thousand, six hundred thirty-one".