31312133214 has 16 divisors (see below), whose sum is σ = 62657025552. Its totient is φ = 10431917888.

The previous prime is 31312133183. The next prime is 31312133219. The reversal of 31312133214 is 41233121313.

It is a super-2 number, since 2×31312133214² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31312133219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1352529 + ... + 1375484.

It is an arithmetic number, because the mean of its divisors is an integer number (3916064097).

Almost surely, 2^31312133214 is an apocalyptic number.

31312133214 is an abundant number, since it is smaller than the sum of its proper divisors (31344892338).

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

31312133214 is a wasteful number, since it uses less digits than its factorization.

31312133214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2729931.

The product of its digits is 1296, while the sum is 24.

Adding to 31312133214 its reverse (41233121313), we get a palindrome (72545254527).

The spelling of 31312133214 in words is "thirty-one billion, three hundred twelve million, one hundred thirty-three thousand, two hundred fourteen".