345607515431 has 2 divisors, whose sum is σ = 345607515432. Its totient is φ = 345607515430.

The previous prime is 345607515373. The next prime is 345607515499. The reversal of 345607515431 is 134515706543.

It is a weak prime.

It is an emirp because it is prime and its reverse (134515706543) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 345607515431 - 2¹⁸ = 345607253287 is a prime.

It is a super-2 number, since 2×345607515431² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (345607515131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172803757715 + 172803757716.

It is an arithmetic number, because the mean of its divisors is an integer number (172803757716).

Almost surely, 2^345607515431 is an apocalyptic number.

345607515431 is a deficient number, since it is larger than the sum of its proper divisors (1).

345607515431 is an equidigital number, since it uses as much as digits as its factorization.

345607515431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756000, while the sum is 44.

The spelling of 345607515431 in words is "three hundred forty-five billion, six hundred seven million, five hundred fifteen thousand, four hundred thirty-one".