617347325431 has 4 divisors (see below), whose sum is σ = 617357738200. Its totient is φ = 617336912664.

The previous prime is 617347325417. The next prime is 617347325437. The reversal of 617347325431 is 134523743716.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 617347325431 - 2³¹ = 615199841783 is a prime.

It is a super-2 number, since 2×617347325431² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (617347325437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5116941 + ... + 5236198.

It is an arithmetic number, because the mean of its divisors is an integer number (154339434550).

Almost surely, 2^617347325431 is an apocalyptic number.

617347325431 is a deficient number, since it is larger than the sum of its proper divisors (10412769).

617347325431 is a wasteful number, since it uses less digits than its factorization.

617347325431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10412768.

The product of its digits is 1270080, while the sum is 46.

The spelling of 617347325431 in words is "six hundred seventeen billion, three hundred forty-seven million, three hundred twenty-five thousand, four hundred thirty-one".