31311302001322 has 8 divisors (see below), whose sum is σ = 53676517716576. Its totient is φ = 13419129429132.

The previous prime is 31311302001283. The next prime is 31311302001341. The reversal of 31311302001322 is 22310020311313.

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

It is a junction number, because it is equal to n+sod(n) for n = 31311302001293 and 31311302001302.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1118260785748 + ... + 1118260785775.

It is an arithmetic number, because the mean of its divisors is an integer number (6709564714572).

Almost surely, 2^{31311302001322} is an apocalyptic number.

31311302001322 is a deficient number, since it is larger than the sum of its proper divisors (22365215715254).

31311302001322 is a wasteful number, since it uses less digits than its factorization.

31311302001322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2236521571532.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 31311302001322 its reverse (22310020311313), we get a palindrome (53621322312635).

The spelling of 31311302001322 in words is "thirty-one trillion, three hundred eleven billion, three hundred two million, one thousand, three hundred twenty-two".