31030230022 has 24 divisors (see below), whose sum is σ = 52811793216. Its totient is φ = 13649658000.

The previous prime is 31030230017. The next prime is 31030230029. The reversal of 31030230022 is 22003203013.

It is a junction number, because it is equal to n+sod(n) for n = 31030229978 and 31030230005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31030230029) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2060629 + ... + 2075632.

It is an arithmetic number, because the mean of its divisors is an integer number (2200491384).

Almost surely, 2^31030230022 is an apocalyptic number.

31030230022 is a deficient number, since it is larger than the sum of its proper divisors (21781563194).

31030230022 is a wasteful number, since it uses less digits than its factorization.

31030230022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4136316 (or 4136305 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 31030230022 its reverse (22003203013), we get a palindrome (53033433035).

The spelling of 31030230022 in words is "thirty-one billion, thirty million, two hundred thirty thousand, twenty-two".