34256135731 has 2 divisors, whose sum is σ = 34256135732. Its totient is φ = 34256135730.

The previous prime is 34256135681. The next prime is 34256135843. The reversal of 34256135731 is 13753165243.

It is a weak prime.

It is an emirp because it is prime and its reverse (13753165243) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 34256135731 - 2¹⁷ = 34256004659 is a prime.

It is a super-2 number, since 2×34256135731² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (34256135231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17128067865 + 17128067866.

It is an arithmetic number, because the mean of its divisors is an integer number (17128067866).

Almost surely, 2^34256135731 is an apocalyptic number.

34256135731 is a deficient number, since it is larger than the sum of its proper divisors (1).

34256135731 is an equidigital number, since it uses as much as digits as its factorization.

34256135731 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 226800, while the sum is 40.

The spelling of 34256135731 in words is "thirty-four billion, two hundred fifty-six million, one hundred thirty-five thousand, seven hundred thirty-one".