31406275321 has 16 divisors (see below), whose sum is σ = 33554736000. Its totient is φ = 29310336000.

The previous prime is 31406275301. The next prime is 31406275379. The reversal of 31406275321 is 12357260413.

It is a cyclic number.

It is not a de Polignac number, because 31406275321 - 2⁷ = 31406275193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31406275301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 340761 + ... + 423001.

It is an arithmetic number, because the mean of its divisors is an integer number (2097171000).

Almost surely, 2^31406275321 is an apocalyptic number.

It is an amenable number.

31406275321 is a deficient number, since it is larger than the sum of its proper divisors (2148460679).

31406275321 is a wasteful number, since it uses less digits than its factorization.

31406275321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82560.

The product of its (nonzero) digits is 30240, while the sum is 34.

The spelling of 31406275321 in words is "thirty-one billion, four hundred six million, two hundred seventy-five thousand, three hundred twenty-one".