31326725683 has 4 divisors (see below), whose sum is σ = 34174609848. Its totient is φ = 28478841520.

The previous prime is 31326725621. The next prime is 31326725687. The reversal of 31326725683 is 38652762313.

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 31326725683 - 2¹³ = 31326717491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31326725687) 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, 1423942066 + ... + 1423942087.

It is an arithmetic number, because the mean of its divisors is an integer number (8543652462).

Almost surely, 2^31326725683 is an apocalyptic number.

31326725683 is a deficient number, since it is larger than the sum of its proper divisors (2847884165).

31326725683 is a wasteful number, since it uses less digits than its factorization.

31326725683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2847884164.

The product of its digits is 1088640, while the sum is 46.

The spelling of 31326725683 in words is "thirty-one billion, three hundred twenty-six million, seven hundred twenty-five thousand, six hundred eighty-three".