61313455431316 has 24 divisors (see below), whose sum is σ = 118534643418240. Its totient is φ = 27516970790400.

The previous prime is 61313455431313. The next prime is 61313455431337.

61313455431316 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61313455431313) 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, 8819538445 + ... + 8819545396.

It is an arithmetic number, because the mean of its divisors is an integer number (4938943475760).

Almost surely, 2^{61313455431316} is an apocalyptic number.

It is an amenable number.

61313455431316 is a deficient number, since it is larger than the sum of its proper divisors (57221187986924).

61313455431316 is a wasteful number, since it uses less digits than its factorization.

61313455431316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17639083935 (or 17639083933 counting only the distinct ones).

The product of its digits is 1166400, while the sum is 46.

The spelling of 61313455431316 in words is "sixty-one trillion, three hundred thirteen billion, four hundred fifty-five million, four hundred thirty-one thousand, three hundred sixteen".