31367450496 has 128 divisors (see below), whose sum is σ = 87164100000. Its totient is φ = 9981526016.

The previous prime is 31367450437. The next prime is 31367450503. The reversal of 31367450496 is 69405476313.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 975280 + ... + 1006928.

Almost surely, 2^31367450496 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 31367450496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43582050000).

31367450496 is an abundant number, since it is smaller than the sum of its proper divisors (55796649504).

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

31367450496 is a wasteful number, since it uses less digits than its factorization.

31367450496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31784 (or 31772 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 48.

The spelling of 31367450496 in words is "thirty-one billion, three hundred sixty-seven million, four hundred fifty thousand, four hundred ninety-six".