31312030313321 has 8 divisors (see below), whose sum is σ = 31341311546304. Its totient is φ = 31282750240560.

The previous prime is 31312030313279. The next prime is 31312030313371. The reversal of 31312030313321 is 12331303021313.

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 31312030313321 - 2⁶ = 31312030313257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31312030313371) 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, 59449490 + ... + 59973876.

It is an arithmetic number, because the mean of its divisors is an integer number (3917663943288).

Almost surely, 2^{31312030313321} is an apocalyptic number.

It is an amenable number.

31312030313321 is a deficient number, since it is larger than the sum of its proper divisors (29281232983).

31312030313321 is a wasteful number, since it uses less digits than its factorization.

31312030313321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580111.

The product of its (nonzero) digits is 2916, while the sum is 26.

Adding to 31312030313321 its reverse (12331303021313), we get a palindrome (43643333334634).

The spelling of 31312030313321 in words is "thirty-one trillion, three hundred twelve billion, thirty million, three hundred thirteen thousand, three hundred twenty-one".