31303430313 has 8 divisors (see below), whose sum is σ = 41765981568. Its totient is φ = 20854916304.

The previous prime is 31303430311. The next prime is 31303430401.

31303430313 is nontrivially palindromic in base 10.

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

It is not a de Polignac number, because 31303430313 - 2¹ = 31303430311 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31303430311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3504106 + ... + 3513027.

It is an arithmetic number, because the mean of its divisors is an integer number (5220747696).

Almost surely, 2^31303430313 is an apocalyptic number.

It is an amenable number.

31303430313 is a deficient number, since it is larger than the sum of its proper divisors (10462551255).

31303430313 is a wasteful number, since it uses less digits than its factorization.

31303430313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7018623.

The product of its (nonzero) digits is 2916, while the sum is 24.

The spelling of 31303430313 in words is "thirty-one billion, three hundred three million, four hundred thirty thousand, three hundred thirteen".