31003112230 has 16 divisors (see below), whose sum is σ = 57103407504. Its totient is φ = 12112843680.

The previous prime is 31003112227. The next prime is 31003112251. The reversal of 31003112230 is 3221130013.

It is a super-2 number, since 2×31003112230² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36049701 + ... + 36050560.

It is an arithmetic number, because the mean of its divisors is an integer number (3568962969).

Almost surely, 2^31003112230 is an apocalyptic number.

31003112230 is a deficient number, since it is larger than the sum of its proper divisors (26100295274).

31003112230 is a wasteful number, since it uses less digits than its factorization.

31003112230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72100311.

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

Adding to 31003112230 its reverse (3221130013), we get a palindrome (34224242243).

The spelling of 31003112230 in words is "thirty-one billion, three million, one hundred twelve thousand, two hundred thirty".