31022020022 has 16 divisors (see below), whose sum is σ = 53273755392. Its totient is φ = 13271864040.

The previous prime is 31022020021. The next prime is 31022020027. The reversal of 31022020022 is 22002022013.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 31022019979 and 31022020006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31022020021) 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, 1932338 + ... + 1948325.

It is an arithmetic number, because the mean of its divisors is an integer number (3329609712).

Almost surely, 2^31022020022 is an apocalyptic number.

31022020022 is a deficient number, since it is larger than the sum of its proper divisors (22251735370).

31022020022 is a wasteful number, since it uses less digits than its factorization.

31022020022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3881243.

The product of its (nonzero) digits is 96, while the sum is 14.

Adding to 31022020022 its reverse (22002022013), we get a palindrome (53024042035).

The spelling of 31022020022 in words is "thirty-one billion, twenty-two million, twenty thousand, twenty-two".