31022031230 has 16 divisors (see below), whose sum is σ = 56182233744. Its totient is φ = 12332684160.

The previous prime is 31022031221. The next prime is 31022031247. The reversal of 31022031230 is 3213022013.

It is a junction number, because it is equal to n+sod(n) for n = 31022031199 and 31022031208.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9514331 + ... + 9517590.

It is an arithmetic number, because the mean of its divisors is an integer number (3511389609).

Almost surely, 2^31022031230 is an apocalyptic number.

31022031230 is a deficient number, since it is larger than the sum of its proper divisors (25160202514).

31022031230 is a wasteful number, since it uses less digits than its factorization.

31022031230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19032091.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 31022031230 its reverse (3213022013), we get a palindrome (34235053243).

The spelling of 31022031230 in words is "thirty-one billion, twenty-two million, thirty-one thousand, two hundred thirty".