31367312214 has 32 divisors (see below), whose sum is σ = 71877348096. Its totient is φ = 8939509920.

The previous prime is 31367312201. The next prime is 31367312219. The reversal of 31367312214 is 41221376313.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31367312219) 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 15 ways as a sum of consecutive naturals, for example, 923932 + ... + 957279.

It is an arithmetic number, because the mean of its divisors is an integer number (2246167128).

Almost surely, 2^31367312214 is an apocalyptic number.

31367312214 is an abundant number, since it is smaller than the sum of its proper divisors (40510035882).

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

31367312214 is a wasteful number, since it uses less digits than its factorization.

31367312214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1881620.

The product of its digits is 18144, while the sum is 33.

Adding to 31367312214 its reverse (41221376313), we get a palindrome (72588688527).

The spelling of 31367312214 in words is "thirty-one billion, three hundred sixty-seven million, three hundred twelve thousand, two hundred fourteen".