31320265614320 has 40 divisors (see below), whose sum is σ = 73906477529424. Its totient is φ = 12341119583232.

The previous prime is 31320265614293. The next prime is 31320265614377. The reversal of 31320265614320 is 2341656202313.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2921661209 + ... + 2921671928.

Almost surely, 2^{31320265614320} is an apocalyptic number.

It is an amenable number.

31320265614320 is an abundant number, since it is smaller than the sum of its proper divisors (42586211915104).

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

31320265614320 is a wasteful number, since it uses less digits than its factorization.

31320265614320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5843333217 (or 5843333211 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 38.

The spelling of 31320265614320 in words is "thirty-one trillion, three hundred twenty billion, two hundred sixty-five million, six hundred fourteen thousand, three hundred twenty".