631115355104243 has 8 divisors (see below), whose sum is σ = 633626173645920. Its totient is φ = 628605756302400.

The previous prime is 631115355104239. The next prime is 631115355104251. The reversal of 631115355104243 is 342401553511136.

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 631115355104243 - 2² = 631115355104239 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 631115355104194 and 631115355104203.

It is not an unprimeable number, because it can be changed into a prime (631115355103243) 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, 303898058 + ... + 305967743.

It is an arithmetic number, because the mean of its divisors is an integer number (79203271705740).

Almost surely, 2^{631115355104243} is an apocalyptic number.

631115355104243 is a deficient number, since it is larger than the sum of its proper divisors (2510818541677).

631115355104243 is a wasteful number, since it uses less digits than its factorization.

631115355104243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 609869917.

The product of its (nonzero) digits is 648000, while the sum is 44.

The spelling of 631115355104243 in words is "six hundred thirty-one trillion, one hundred fifteen billion, three hundred fifty-five million, one hundred four thousand, two hundred forty-three".