234612257531 has 2 divisors, whose sum is σ = 234612257532. Its totient is φ = 234612257530.

The previous prime is 234612257479. The next prime is 234612257533. The reversal of 234612257531 is 135752216432.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-234612257531 is a prime.

It is a super-2 number, since 2×234612257531² (a number of 24 digits) contains 22 as substring.

Together with 234612257533, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (234612257533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117306128765 + 117306128766.

It is an arithmetic number, because the mean of its divisors is an integer number (117306128766).

Almost surely, 2^234612257531 is an apocalyptic number.

234612257531 is a deficient number, since it is larger than the sum of its proper divisors (1).

234612257531 is an equidigital number, since it uses as much as digits as its factorization.

234612257531 is an evil number, because the sum of its binary digits is even.

The product of its digits is 302400, while the sum is 41.

The spelling of 234612257531 in words is "two hundred thirty-four billion, six hundred twelve million, two hundred fifty-seven thousand, five hundred thirty-one".