34340037731 has 2 divisors, whose sum is σ = 34340037732. Its totient is φ = 34340037730.

The previous prime is 34340037629. The next prime is 34340037749. The reversal of 34340037731 is 13773004343.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34340037731 is a prime.

It is a super-2 number, since 2×34340037731² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 34340037691 and 34340037700.

It is not a weakly prime, because it can be changed into another prime (34340037761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17170018865 + 17170018866.

It is an arithmetic number, because the mean of its divisors is an integer number (17170018866).

Almost surely, 2^34340037731 is an apocalyptic number.

34340037731 is a deficient number, since it is larger than the sum of its proper divisors (1).

34340037731 is an equidigital number, since it uses as much as digits as its factorization.

34340037731 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 63504, while the sum is 35.

The spelling of 34340037731 in words is "thirty-four billion, three hundred forty million, thirty-seven thousand, seven hundred thirty-one".