231415243039 has 2 divisors, whose sum is σ = 231415243040. Its totient is φ = 231415243038.

The previous prime is 231415243019. The next prime is 231415243117. The reversal of 231415243039 is 930342514132.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-231415243039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 231415242989 and 231415243007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231415243019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115707621519 + 115707621520.

It is an arithmetic number, because the mean of its divisors is an integer number (115707621520).

Almost surely, 2^231415243039 is an apocalyptic number.

231415243039 is a deficient number, since it is larger than the sum of its proper divisors (1).

231415243039 is an equidigital number, since it uses as much as digits as its factorization.

231415243039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 77760, while the sum is 37.

The spelling of 231415243039 in words is "two hundred thirty-one billion, four hundred fifteen million, two hundred forty-three thousand, thirty-nine".