31354630712 has 16 divisors (see below), whose sum is σ = 59252847360. Its totient is φ = 15553871424.

The previous prime is 31354630709. The next prime is 31354630717. The reversal of 31354630712 is 21703645313.

It is a super-2 number, since 2×31354630712² (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 (31354630717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15429413 + ... + 15431444.

It is an arithmetic number, because the mean of its divisors is an integer number (3703302960).

Almost surely, 2^31354630712 is an apocalyptic number.

It is an amenable number.

31354630712 is a deficient number, since it is larger than the sum of its proper divisors (27898216648).

31354630712 is a wasteful number, since it uses less digits than its factorization.

31354630712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30860990 (or 30860986 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 35.

The spelling of 31354630712 in words is "thirty-one billion, three hundred fifty-four million, six hundred thirty thousand, seven hundred twelve".