31342013212 has 12 divisors (see below), whose sum is σ = 58074906960. Its totient is φ = 14749182656.

The previous prime is 31342013201. The next prime is 31342013249. The reversal of 31342013212 is 21231024313.

It is a congruent number.

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, 230455912 + ... + 230456047.

It is an arithmetic number, because the mean of its divisors is an integer number (4839575580).

Almost surely, 2^31342013212 is an apocalyptic number.

It is an amenable number.

31342013212 is a deficient number, since it is larger than the sum of its proper divisors (26732893748).

31342013212 is a wasteful number, since it uses less digits than its factorization.

31342013212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460911980 (or 460911978 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 31342013212 its reverse (21231024313), we get a palindrome (52573037525).

The spelling of 31342013212 in words is "thirty-one billion, three hundred forty-two million, thirteen thousand, two hundred twelve".