313125101 has 2 divisors, whose sum is σ = 313125102. Its totient is φ = 313125100.

The previous prime is 313125061. The next prime is 313125143. The reversal of 313125101 is 101521313.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 310675876 + 2449225 = 17626^2 + 1565^2 .

It is a cyclic number.

It is not a de Polignac number, because 313125101 - 2⁶ = 313125037 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 313125101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (313125401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156562550 + 156562551.

It is an arithmetic number, because the mean of its divisors is an integer number (156562551).

Almost surely, 2^313125101 is an apocalyptic number.

It is an amenable number.

313125101 is a deficient number, since it is larger than the sum of its proper divisors (1).

313125101 is an equidigital number, since it uses as much as digits as its factorization.

313125101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90, while the sum is 17.

The square root of 313125101 is about 17695.3412230451. The cubic root of 313125101 is about 679.0565788285.

Adding to 313125101 its reverse (101521313), we get a palindrome (414646414).

The spelling of 313125101 in words is "three hundred thirteen million, one hundred twenty-five thousand, one hundred one".