31420304022 has 16 divisors (see below), whose sum is σ = 64539003312. Its totient is φ = 10190368800.

The previous prime is 31420304021. The next prime is 31420304033. The reversal of 31420304022 is 22040302413.

It is a self number, because there is not a number n which added to its sum of digits gives 31420304022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31420304021) 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, 70766229 + ... + 70766672.

It is an arithmetic number, because the mean of its divisors is an integer number (4033687707).

Almost surely, 2^31420304022 is an apocalyptic number.

31420304022 is an abundant number, since it is smaller than the sum of its proper divisors (33118699290).

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

31420304022 is a wasteful number, since it uses less digits than its factorization.

31420304022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141532943.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 31420304022 its reverse (22040302413), we get a palindrome (53460606435).

The spelling of 31420304022 in words is "thirty-one billion, four hundred twenty million, three hundred four thousand, twenty-two".