31342333212 has 48 divisors (see below), whose sum is σ = 81878227200. Its totient is φ = 10367688240.

The previous prime is 31342333163. The next prime is 31342333261. The reversal of 31342333212 is 21233324313.

31342333212 is a `hidden beast` number, since 313 + 4 + 2 + 3 + 332 + 12 = 666.

It is an interprime number because it is at equal distance from previous prime (31342333163) and next prime (31342333261).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

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, 1093512 + ... + 1121807.

It is an arithmetic number, because the mean of its divisors is an integer number (1705796400).

Almost surely, 2^31342333212 is an apocalyptic number.

It is an amenable number.

31342333212 is an abundant number, since it is smaller than the sum of its proper divisors (50535893988).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31342333212 is a wasteful number, since it uses less digits than its factorization.

31342333212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2215463 (or 2215455 counting only the distinct ones).

The product of its digits is 7776, while the sum is 27.

Adding to 31342333212 its reverse (21233324313), we get a palindrome (52575657525).

It can be divided in two parts, 31 and 342333212, that added together give a palindrome (342333243).

The spelling of 31342333212 in words is "thirty-one billion, three hundred forty-two million, three hundred thirty-three thousand, two hundred twelve".