313112101 has 4 divisors (see below), whose sum is σ = 323909100. Its totient is φ = 302315104.

The previous prime is 313112089. The next prime is 313112113. The reversal of 313112101 is 101211313.

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

It is an interprime number because it is at equal distance from previous prime (313112089) and next prime (313112113).

It can be written as a sum of positive squares in 2 ways, for example, as 205492225 + 107619876 = 14335^2 + 10374^2 .

It is a cyclic number.

It is not a de Polignac number, because 313112101 - 2¹¹ = 313110053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313112131) 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, 5398456 + ... + 5398513.

It is an arithmetic number, because the mean of its divisors is an integer number (80977275).

Almost surely, 2^313112101 is an apocalyptic number.

It is an amenable number.

313112101 is a deficient number, since it is larger than the sum of its proper divisors (10796999).

313112101 is a wasteful number, since it uses less digits than its factorization.

313112101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10796998.

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 313112101 is about 17694.9738909104. The cubic root of 313112101 is about 679.0471812452.

Adding to 313112101 its reverse (101211313), we get a palindrome (414323414).

The spelling of 313112101 in words is "three hundred thirteen million, one hundred twelve thousand, one hundred one".