311001313 has 8 divisors (see below), whose sum is σ = 355537728. Its totient is φ = 266491824.

The previous prime is 311001263. The next prime is 311001323. The reversal of 311001313 is 313100113.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-311001313 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 311001293 and 311001302.

It is not an unprimeable number, because it can be changed into a prime (311001323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36870 + ... + 44512.

It is an arithmetic number, because the mean of its divisors is an integer number (44442216).

Almost surely, 2^311001313 is an apocalyptic number.

It is an amenable number.

311001313 is a deficient number, since it is larger than the sum of its proper divisors (44536415).

311001313 is an equidigital number, since it uses as much as digits as its factorization.

311001313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13463.

The product of its (nonzero) digits is 27, while the sum is 13.

The square root of 311001313 is about 17635.2293152088. The cubic root of 311001313 is about 677.5178486876.

Adding to 311001313 its reverse (313100113), we get a palindrome (624101426).

The spelling of 311001313 in words is "three hundred eleven million, one thousand, three hundred thirteen".