20312456313061 has 8 divisors (see below), whose sum is σ = 22191486953184. Its totient is φ = 18438832956720.

The previous prime is 20312456312989. The next prime is 20312456313101. The reversal of 20312456313061 is 16031365421302.

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

It is not a de Polignac number, because 20312456313061 - 2³³ = 20303866378469 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20312456313061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20312456319061) 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, 1351813086 + ... + 1351828111.

It is an arithmetic number, because the mean of its divisors is an integer number (2773935869148).

Almost surely, 2^{20312456313061} is an apocalyptic number.

It is an amenable number.

20312456313061 is a deficient number, since it is larger than the sum of its proper divisors (1879030640123).

20312456313061 is a wasteful number, since it uses less digits than its factorization.

20312456313061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2703641891.

The product of its (nonzero) digits is 77760, while the sum is 37.

The spelling of 20312456313061 in words is "twenty trillion, three hundred twelve billion, four hundred fifty-six million, three hundred thirteen thousand, sixty-one".