231403041739 has 2 divisors, whose sum is σ = 231403041740. Its totient is φ = 231403041738.

The previous prime is 231403041697. The next prime is 231403041743. The reversal of 231403041739 is 937140304132.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 231403041739 - 2³³ = 222813107147 is a prime.

It is a super-2 number, since 2×231403041739² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 231403041698 and 231403041707.

It is not a weakly prime, because it can be changed into another prime (231403041799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115701520869 + 115701520870.

It is an arithmetic number, because the mean of its divisors is an integer number (115701520870).

Almost surely, 2^231403041739 is an apocalyptic number.

231403041739 is a deficient number, since it is larger than the sum of its proper divisors (1).

231403041739 is an equidigital number, since it uses as much as digits as its factorization.

231403041739 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54432, while the sum is 37.

The spelling of 231403041739 in words is "two hundred thirty-one billion, four hundred three million, forty-one thousand, seven hundred thirty-nine".