31347413305 has 8 divisors (see below), whose sum is σ = 40510503432. Its totient is φ = 23148859008.

The previous prime is 31347413269. The next prime is 31347413371. The reversal of 31347413305 is 50331474313.

It can be written as a sum of positive squares in 4 ways, for example, as 2601 + 31347410704 = 51^2 + 177052^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 31347413305 - 2¹⁷ = 31347282233 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 241133884 + ... + 241134013.

It is an arithmetic number, because the mean of its divisors is an integer number (5063812929).

Almost surely, 2^31347413305 is an apocalyptic number.

It is an amenable number.

31347413305 is a deficient number, since it is larger than the sum of its proper divisors (9163090127).

31347413305 is a wasteful number, since it uses less digits than its factorization.

31347413305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482267915.

The product of its (nonzero) digits is 45360, while the sum is 34.

Adding to 31347413305 its reverse (50331474313), we get a palindrome (81678887618).

The spelling of 31347413305 in words is "thirty-one billion, three hundred forty-seven million, four hundred thirteen thousand, three hundred five".