313113300031 has 4 divisors (see below), whose sum is σ = 357843771472. Its totient is φ = 268382828592.

The previous prime is 313113300007. The next prime is 313113300067. The reversal of 313113300031 is 130003311313.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 313113300031 - 2⁹ = 313113299519 is a prime.

It is a super-2 number, since 2×313113300031² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 313113299981 and 313113300008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313113300091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22365235710 + ... + 22365235723.

It is an arithmetic number, because the mean of its divisors is an integer number (89460942868).

Almost surely, 2^313113300031 is an apocalyptic number.

313113300031 is a deficient number, since it is larger than the sum of its proper divisors (44730471441).

313113300031 is an equidigital number, since it uses as much as digits as its factorization.

313113300031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44730471440.

The product of its (nonzero) digits is 243, while the sum is 19.

Adding to 313113300031 its reverse (130003311313), we get a palindrome (443116611344).

The spelling of 313113300031 in words is "three hundred thirteen billion, one hundred thirteen million, three hundred thousand, thirty-one".