31204320300313 has 4 divisors (see below), whose sum is σ = 31442521218768. Its totient is φ = 30966119381860.

The previous prime is 31204320300259. The next prime is 31204320300319. The reversal of 31204320300313 is 31300302340213.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 31204320300313 - 2²¹ = 31204318203161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31204320300319) 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, 119100459031 + ... + 119100459292.

It is an arithmetic number, because the mean of its divisors is an integer number (7860630304692).

Almost surely, 2^{31204320300313} is an apocalyptic number.

It is an amenable number.

31204320300313 is a deficient number, since it is larger than the sum of its proper divisors (238200918455).

31204320300313 is a wasteful number, since it uses less digits than its factorization.

31204320300313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238200918454.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 31204320300313 its reverse (31300302340213), we get a palindrome (62504622640526).

The spelling of 31204320300313 in words is "thirty-one trillion, two hundred four billion, three hundred twenty million, three hundred thousand, three hundred thirteen".