31021022230 has 64 divisors (see below), whose sum is σ = 61998483456. Its totient is φ = 11080800000.

The previous prime is 31021022213. The next prime is 31021022233. The reversal of 31021022230 is 3222012013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31021022233) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2007835 + ... + 2023225.

It is an arithmetic number, because the mean of its divisors is an integer number (968726304).

Almost surely, 2^31021022230 is an apocalyptic number.

31021022230 is a deficient number, since it is larger than the sum of its proper divisors (30977461226).

31021022230 is a wasteful number, since it uses less digits than its factorization.

31021022230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15733.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 31021022230 its reverse (3222012013), we get a palindrome (34243034243).

The spelling of 31021022230 in words is "thirty-one billion, twenty-one million, twenty-two thousand, two hundred thirty".