31112322403321 has 8 divisors (see below), whose sum is σ = 31134499284960. Its totient is φ = 31090150856928.

The previous prime is 31112322403319. The next prime is 31112322403369. The reversal of 31112322403321 is 12330422321113.

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 31112322403321 - 2¹ = 31112322403319 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 31112322403321.

It is not an unprimeable number, because it can be changed into a prime (31112322403381) 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, 10369845 + ... + 13029133.

It is an arithmetic number, because the mean of its divisors is an integer number (3891812410620).

Almost surely, 2^{31112322403321} is an apocalyptic number.

It is an amenable number.

31112322403321 is a deficient number, since it is larger than the sum of its proper divisors (22176881639).

31112322403321 is a wasteful number, since it uses less digits than its factorization.

31112322403321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2667623.

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 31112322403321 its reverse (12330422321113), we get a palindrome (43442744724434).

The spelling of 31112322403321 in words is "thirty-one trillion, one hundred twelve billion, three hundred twenty-two million, four hundred three thousand, three hundred twenty-one".