31032030212 has 48 divisors (see below), whose sum is σ = 58539983040. Its totient is φ = 14348460672.

The previous prime is 31032030187. The next prime is 31032030229. The reversal of 31032030212 is 21203023013.

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, 773963 + ... + 813069.

It is an arithmetic number, because the mean of its divisors is an integer number (1219582980).

Almost surely, 2^31032030212 is an apocalyptic number.

It is an amenable number.

31032030212 is a deficient number, since it is larger than the sum of its proper divisors (27507952828).

31032030212 is a wasteful number, since it uses less digits than its factorization.

31032030212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39380 (or 39378 counting only the distinct ones).

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

Adding to 31032030212 its reverse (21203023013), we get a palindrome (52235053225).

The spelling of 31032030212 in words is "thirty-one billion, thirty-two million, thirty thousand, two hundred twelve".