313120001 has 4 divisors (see below), whose sum is σ = 313406532. Its totient is φ = 312833472.

The previous prime is 313119971. The next prime is 313120033. The reversal of 313120001 is 100021313.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 100021313 = 7 ⋅14288759.

It can be written as a sum of positive squares in 2 ways, for example, as 30913600 + 282206401 = 5560^2 + 16799^2 .

It is a cyclic number.

It is not a de Polignac number, because 313120001 - 2¹⁰ = 313118977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (313120081) 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, 141620 + ... + 143813.

It is an arithmetic number, because the mean of its divisors is an integer number (78351633).

Almost surely, 2^313120001 is an apocalyptic number.

It is an amenable number.

313120001 is a deficient number, since it is larger than the sum of its proper divisors (286531).

313120001 is a wasteful number, since it uses less digits than its factorization.

313120001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286530.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 313120001 is about 17695.1971167320. The cubic root of 313120001 is about 679.0528921153.

Adding to 313120001 its reverse (100021313), we get a palindrome (413141314).

It can be divided in two parts, 3131 and 20001, that added together give a palindrome (23132).

The spelling of 313120001 in words is "three hundred thirteen million, one hundred twenty thousand, one".