31234442212 has 12 divisors (see below), whose sum is σ = 56423508736. Its totient is φ = 15113439720.

The previous prime is 31234442207. The next prime is 31234442263. The reversal of 31234442212 is 21224443213.

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, 125945208 + ... + 125945455.

Almost surely, 2^31234442212 is an apocalyptic number.

It is an amenable number.

31234442212 is a deficient number, since it is larger than the sum of its proper divisors (25189066524).

31234442212 is a wasteful number, since it uses less digits than its factorization.

31234442212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251890698 (or 251890696 counting only the distinct ones).

The product of its digits is 9216, while the sum is 28.

Adding to 31234442212 its reverse (21224443213), we get a palindrome (52458885425).

The spelling of 31234442212 in words is "thirty-one billion, two hundred thirty-four million, four hundred forty-two thousand, two hundred twelve".