31112213010230 has 32 divisors (see below), whose sum is σ = 61664036140800. Its totient is φ = 11207798055520.

The previous prime is 31112213010167. The next prime is 31112213010257. The reversal of 31112213010230 is 3201031221113.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1321662530 + ... + 1321686069.

It is an arithmetic number, because the mean of its divisors is an integer number (1927001129400).

Almost surely, 2^{31112213010230} is an apocalyptic number.

31112213010230 is a deficient number, since it is larger than the sum of its proper divisors (30551823130570).

31112213010230 is a wasteful number, since it uses less digits than its factorization.

31112213010230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2643348724.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 31112213010230 its reverse (3201031221113), we get a palindrome (34313244231343).

The spelling of 31112213010230 in words is "thirty-one trillion, one hundred twelve billion, two hundred thirteen million, ten thousand, two hundred thirty".