345431440613631 has 8 divisors (see below), whose sum is σ = 460582511330304. Its totient is φ = 230283998486360.

The previous prime is 345431440613561. The next prime is 345431440613657. The reversal of 345431440613631 is 136316044134543.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 345431440613631 - 2²³ = 345431432225023 is a prime.

It is a super-2 number, since 2×345431440613631² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345431440613531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 906925215 + ... + 907306016.

It is an arithmetic number, because the mean of its divisors is an integer number (57572813916288).

Almost surely, 2^{345431440613631} is an apocalyptic number.

345431440613631 is a deficient number, since it is larger than the sum of its proper divisors (115151070716673).

345431440613631 is a wasteful number, since it uses less digits than its factorization.

345431440613631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1814294701.

The product of its (nonzero) digits is 3732480, while the sum is 48.

The spelling of 345431440613631 in words is "three hundred forty-five trillion, four hundred thirty-one billion, four hundred forty million, six hundred thirteen thousand, six hundred thirty-one".