31321102112322 has 64 divisors (see below), whose sum is σ = 70263563384448. Its totient is φ = 9224240256000.

The previous prime is 31321102112299. The next prime is 31321102112327. The reversal of 31321102112322 is 22321120112313.

It is a super-2 number, since 2×31321102112322² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31321102112292 and 31321102112301.

It is not an unprimeable number, because it can be changed into a prime (31321102112327) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5127829 + ... + 9430632.

It is an arithmetic number, because the mean of its divisors is an integer number (1097868177882).

Almost surely, 2^{31321102112322} is an apocalyptic number.

31321102112322 is an abundant number, since it is smaller than the sum of its proper divisors (38942461272126).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31321102112322 is a wasteful number, since it uses less digits than its factorization.

31321102112322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14559395.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 31321102112322 its reverse (22321120112313), we get a palindrome (53642222224635).

Subtracting from 31321102112322 its reverse (22321120112313), we obtain a square (8999982000009 = 2999997²).

The spelling of 31321102112322 in words is "thirty-one trillion, three hundred twenty-one billion, one hundred two million, one hundred twelve thousand, three hundred twenty-two".