313145102 has 4 divisors (see below), whose sum is σ = 469717656. Its totient is φ = 156572550.

The previous prime is 313145101. The next prime is 313145111. The reversal of 313145102 is 201541313.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313145101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78286274 + ... + 78286277.

It is an arithmetic number, because the mean of its divisors is an integer number (117429414).

Almost surely, 2^313145102 is an apocalyptic number.

313145102 is a deficient number, since it is larger than the sum of its proper divisors (156572554).

313145102 is a wasteful number, since it uses less digits than its factorization.

313145102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156572553.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 313145102 is about 17695.9063627722. The cubic root of 313145102 is about 679.0710368640.

Adding to 313145102 its reverse (201541313), we get a palindrome (514686415).

The spelling of 313145102 in words is "three hundred thirteen million, one hundred forty-five thousand, one hundred two".