31003230212 has 12 divisors (see below), whose sum is σ = 55410028800. Its totient is φ = 15171793416.

The previous prime is 31003230199. The next prime is 31003230241. The reversal of 31003230212 is 21203230013.

It is a super-2 number, since 2×31003230212² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82455212 + ... + 82455587.

It is an arithmetic number, because the mean of its divisors is an integer number (4617502400).

Almost surely, 2^31003230212 is an apocalyptic number.

It is an amenable number.

31003230212 is a deficient number, since it is larger than the sum of its proper divisors (24406798588).

31003230212 is a wasteful number, since it uses less digits than its factorization.

31003230212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164910850 (or 164910848 counting only the distinct ones).

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

Adding to 31003230212 its reverse (21203230013), we get a palindrome (52206460225).

The spelling of 31003230212 in words is "thirty-one billion, three million, two hundred thirty thousand, two hundred twelve".