31311002230 has 16 divisors (see below), whose sum is σ = 58177862784. Its totient is φ = 12120387840.

The previous prime is 31311002207. The next prime is 31311002243. The reversal of 31311002230 is 3220011313.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50501307 + ... + 50501926.

It is an arithmetic number, because the mean of its divisors is an integer number (3636116424).

Almost surely, 2^31311002230 is an apocalyptic number.

31311002230 is a deficient number, since it is larger than the sum of its proper divisors (26866860554).

31311002230 is a wasteful number, since it uses less digits than its factorization.

31311002230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101003271.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 31311002230 its reverse (3220011313), we get a palindrome (34531013543).

The spelling of 31311002230 in words is "thirty-one billion, three hundred eleven million, two thousand, two hundred thirty".