31323113020022 has 32 divisors (see below), whose sum is σ = 50247106509600. Its totient is φ = 14617339833600.

The previous prime is 31323113019973. The next prime is 31323113020103. The reversal of 31323113020022 is 22002031132313.

It is a super-2 number, since 2×31323113020022² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 31323113020022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60163004 + ... + 60681407.

It is an arithmetic number, because the mean of its divisors is an integer number (1570222078425).

Almost surely, 2^{31323113020022} is an apocalyptic number.

31323113020022 is a deficient number, since it is larger than the sum of its proper divisors (18923993489578).

31323113020022 is a wasteful number, since it uses less digits than its factorization.

31323113020022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120844592.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 31323113020022 its reverse (22002031132313), we get a palindrome (53325144152335).

The spelling of 31323113020022 in words is "thirty-one trillion, three hundred twenty-three billion, one hundred thirteen million, twenty thousand, twenty-two".