31100001030313 has 4 divisors (see below), whose sum is σ = 31103628707268. Its totient is φ = 31096373353360.

The previous prime is 31100001030311. The next prime is 31100001030323. The reversal of 31100001030313 is 31303010000113.

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 15835688030464 + 15264312999849 = 3979408^2 + 3906957^2 .

It is a cyclic number.

It is not a de Polignac number, because 31100001030313 - 2¹ = 31100001030311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31100001030311) 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, 1813825618 + ... + 1813842763.

It is an arithmetic number, because the mean of its divisors is an integer number (7775907176817).

Almost surely, 2^{31100001030313} is an apocalyptic number.

It is an amenable number.

31100001030313 is a deficient number, since it is larger than the sum of its proper divisors (3627676955).

31100001030313 is an equidigital number, since it uses as much as digits as its factorization.

31100001030313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3627676954.

The product of its (nonzero) digits is 81, while the sum is 16.

Adding to 31100001030313 its reverse (31303010000113), we get a palindrome (62403011030426).

The spelling of 31100001030313 in words is "thirty-one trillion, one hundred billion, one million, thirty thousand, three hundred thirteen".