31320265614321 has 8 divisors (see below), whose sum is σ = 41884272118624. Its totient is φ = 20818218093120.

The previous prime is 31320265614293. The next prime is 31320265614377. The reversal of 31320265614321 is 12341656202313.

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

It is not a de Polignac number, because 31320265614321 - 2¹⁹ = 31320265090033 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 31320265614321.

It is not an unprimeable number, because it can be changed into a prime (31320265618321) 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, 15489744595 + ... + 15489746616.

It is an arithmetic number, because the mean of its divisors is an integer number (5235534014828).

Almost surely, 2^{31320265614321} is an apocalyptic number.

It is an amenable number.

31320265614321 is a deficient number, since it is larger than the sum of its proper divisors (10564006504303).

31320265614321 is a wasteful number, since it uses less digits than its factorization.

31320265614321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30979491551.

The product of its (nonzero) digits is 155520, while the sum is 39.

The spelling of 31320265614321 in words is "thirty-one trillion, three hundred twenty billion, two hundred sixty-five million, six hundred fourteen thousand, three hundred twenty-one".