31314505441 has 4 divisors (see below), whose sum is σ = 31637335492. Its totient is φ = 30991675392.

The previous prime is 31314505429. The next prime is 31314505499. The reversal of 31314505441 is 14450541313.

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

It can be written as a sum of positive squares in 2 ways, for example, as 17795560000 + 13518945441 = 133400^2 + 116271^2 .

It is a cyclic number.

It is not a de Polignac number, because 31314505441 - 2⁹ = 31314504929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31314505141) 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, 161414880 + ... + 161415073.

It is an arithmetic number, because the mean of its divisors is an integer number (7909333873).

Almost surely, 2^31314505441 is an apocalyptic number.

It is an amenable number.

31314505441 is a deficient number, since it is larger than the sum of its proper divisors (322830051).

31314505441 is an equidigital number, since it uses as much as digits as its factorization.

31314505441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322830050.

The product of its (nonzero) digits is 14400, while the sum is 31.

The spelling of 31314505441 in words is "thirty-one billion, three hundred fourteen million, five hundred five thousand, four hundred forty-one".