31320331605248 has 72 divisors (see below), whose sum is σ = 71596222035072. Its totient is φ = 13395436259328.

The previous prime is 31320331605247. The next prime is 31320331605287. The reversal of 31320331605248 is 84250613302313.

It is a super-2 number, since 2×31320331605248² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31320331605247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17071715 + ... + 18817122.

Almost surely, 2^{31320331605248} is an apocalyptic number.

It is an amenable number.

31320331605248 is an abundant number, since it is smaller than the sum of its proper divisors (40275890429824).

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

31320331605248 is an equidigital number, since it uses as much as digits as its factorization.

31320331605248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35889347 (or 35889333 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 41.

The spelling of 31320331605248 in words is "thirty-one trillion, three hundred twenty billion, three hundred thirty-one million, six hundred five thousand, two hundred forty-eight".