313145101 has 2 divisors, whose sum is σ = 313145102. Its totient is φ = 313145100.

The previous prime is 313145089. The next prime is 313145111. The reversal of 313145101 is 101541313.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 215649225 + 97495876 = 14685^2 + 9874^2 .

It is a cyclic number.

It is not a de Polignac number, because 313145101 - 2⁹ = 313144589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (313145111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156572550 + 156572551.

It is an arithmetic number, because the mean of its divisors is an integer number (156572551).

Almost surely, 2^313145101 is an apocalyptic number.

It is an amenable number.

313145101 is a deficient number, since it is larger than the sum of its proper divisors (1).

313145101 is an equidigital number, since it uses as much as digits as its factorization.

313145101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 313145101 is about 17695.9063345170. The cubic root of 313145101 is about 679.0710361412.

Adding to 313145101 its reverse (101541313), we get a palindrome (414686414).

The spelling of 313145101 in words is "three hundred thirteen million, one hundred forty-five thousand, one hundred one".