31371487214 has 32 divisors (see below), whose sum is σ = 49706176800. Its totient is φ = 14808614400.

The previous prime is 31371487211. The next prime is 31371487237. The reversal of 31371487214 is 41278417313.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31371487211) by changing a digit.

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, 18931874 + ... + 18933530.

It is an arithmetic number, because the mean of its divisors is an integer number (1553318025).

Almost surely, 2^31371487214 is an apocalyptic number.

31371487214 is a deficient number, since it is larger than the sum of its proper divisors (18334689586).

31371487214 is a wasteful number, since it uses less digits than its factorization.

31371487214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3108.

The product of its digits is 112896, while the sum is 41.

The spelling of 31371487214 in words is "thirty-one billion, three hundred seventy-one million, four hundred eighty-seven thousand, two hundred fourteen".