31301332010212 has 48 divisors (see below), whose sum is σ = 60899717979072. Its totient is φ = 13955957009280.

The previous prime is 31301332010167. The next prime is 31301332010303. The reversal of 31301332010212 is 21201023310313.

It is a super-2 number, since 2×31301332010212² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7724398 + ... + 11057530.

It is an arithmetic number, because the mean of its divisors is an integer number (1268744124564).

Almost surely, 2^{31301332010212} is an apocalyptic number.

It is an amenable number.

31301332010212 is a deficient number, since it is larger than the sum of its proper divisors (29598385968860).

31301332010212 is a wasteful number, since it uses less digits than its factorization.

31301332010212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3337228 (or 3337226 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 31301332010212 its reverse (21201023310313), we get a palindrome (52502355320525).

The spelling of 31301332010212 in words is "thirty-one trillion, three hundred one billion, three hundred thirty-two million, ten thousand, two hundred twelve".