313011122201031 has 4 divisors (see below), whose sum is σ = 417348162934712. Its totient is φ = 208674081467352.

The previous prime is 313011122201027. The next prime is 313011122201053. The reversal of 313011122201031 is 130102221110313.

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

It is not a de Polignac number, because 313011122201031 - 2² = 313011122201027 is a prime.

It is a super-2 number, since 2×313011122201031² (a number of 30 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 = 313011122200989 and 313011122201007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313011122201131) 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, 52168520366836 + ... + 52168520366841.

It is an arithmetic number, because the mean of its divisors is an integer number (104337040733678).

Almost surely, 2^{313011122201031} is an apocalyptic number.

313011122201031 is a deficient number, since it is larger than the sum of its proper divisors (104337040733681).

313011122201031 is a wasteful number, since it uses less digits than its factorization.

313011122201031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104337040733680.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 313011122201031 its reverse (130102221110313), we get a palindrome (443113343311344).

The spelling of 313011122201031 in words is "three hundred thirteen trillion, eleven billion, one hundred twenty-two million, two hundred one thousand, thirty-one".