31499410712 has 256 divisors, whose sum is σ = 77396705280. Its totient is φ = 11667801600.

The previous prime is 31499410693. The next prime is 31499410717. The reversal of 31499410712 is 21701499413.

It is a self number, because there is not a number n which added to its sum of digits gives 31499410712.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31499410717) 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 63 ways as a sum of consecutive naturals, for example, 248026793 + ... + 248026919.

It is an arithmetic number, because the mean of its divisors is an integer number (302330880).

Almost surely, 2^31499410712 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31499410712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38698352640).

31499410712 is an abundant number, since it is smaller than the sum of its proper divisors (45897294568).

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

31499410712 is a wasteful number, since it uses less digits than its factorization.

31499410712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382 (or 378 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 41.

The spelling of 31499410712 in words is "thirty-one billion, four hundred ninety-nine million, four hundred ten thousand, seven hundred twelve".