31349239096 has 128 divisors (see below), whose sum is σ = 73202088960. Its totient is φ = 12279859200.

The previous prime is 31349239091. The next prime is 31349239157. The reversal of 31349239096 is 69093294313.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31349239091) 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 31 ways as a sum of consecutive naturals, for example, 7407301 + ... + 7411531.

It is an arithmetic number, because the mean of its divisors is an integer number (571891320).

Almost surely, 2^31349239096 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 31349239096, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36601044480).

31349239096 is an abundant number, since it is smaller than the sum of its proper divisors (41852849864).

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

31349239096 is a wasteful number, since it uses less digits than its factorization.

31349239096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4485 (or 4481 counting only the distinct ones).

The product of its (nonzero) digits is 944784, while the sum is 49.

The spelling of 31349239096 in words is "thirty-one billion, three hundred forty-nine million, two hundred thirty-nine thousand, ninety-six".