31313114424022 has 4 divisors (see below), whose sum is σ = 46969671636036. Its totient is φ = 15656557212010.

The previous prime is 31313114424019. The next prime is 31313114424023. The reversal of 31313114424022 is 22042441131313.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×31313114424022² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31313114424023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7828278606004 + ... + 7828278606007.

It is an arithmetic number, because the mean of its divisors is an integer number (11742417909009).

Almost surely, 2^{31313114424022} is an apocalyptic number.

31313114424022 is a deficient number, since it is larger than the sum of its proper divisors (15656557212014).

31313114424022 is a wasteful number, since it uses less digits than its factorization.

31313114424022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15656557212013.

The product of its (nonzero) digits is 13824, while the sum is 31.

Adding to 31313114424022 its reverse (22042441131313), we get a palindrome (53355555555335).

The spelling of 31313114424022 in words is "thirty-one trillion, three hundred thirteen billion, one hundred fourteen million, four hundred twenty-four thousand, twenty-two".