31320652645003 has 4 divisors (see below), whose sum is σ = 33163043977080. Its totient is φ = 29478261312928.

The previous prime is 31320652645001. The next prime is 31320652645021. The reversal of 31320652645003 is 30054625602313.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 31320652645003 - 2¹ = 31320652645001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31320652645001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 921195666013 + ... + 921195666046.

It is an arithmetic number, because the mean of its divisors is an integer number (8290760994270).

Almost surely, 2^{31320652645003} is an apocalyptic number.

31320652645003 is a deficient number, since it is larger than the sum of its proper divisors (1842391332077).

31320652645003 is a wasteful number, since it uses less digits than its factorization.

31320652645003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1842391332076.

The product of its (nonzero) digits is 388800, while the sum is 40.

The spelling of 31320652645003 in words is "thirty-one trillion, three hundred twenty billion, six hundred fifty-two million, six hundred forty-five thousand, three".