31023022230 has 48 divisors (see below), whose sum is σ = 80673478704. Its totient is φ = 8271408960.

The previous prime is 31023022207. The next prime is 31023022249. The reversal of 31023022230 is 3222032013.

It is a happy number.

31023022230 is a `hidden beast` number, since 310 + 2 + 302 + 22 + 30 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 576432 + ... + 627948.

It is an arithmetic number, because the mean of its divisors is an integer number (1680697473).

Almost surely, 2^31023022230 is an apocalyptic number.

31023022230 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

31023022230 is an abundant number, since it is smaller than the sum of its proper divisors (49650456474).

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

31023022230 is a wasteful number, since it uses less digits than its factorization.

31023022230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58221 (or 58218 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 31023022230 its reverse (3222032013), we get a palindrome (34245054243).

The spelling of 31023022230 in words is "thirty-one billion, twenty-three million, twenty-two thousand, two hundred thirty".