2313151 has 4 divisors (see below), whose sum is σ = 2344912. Its totient is φ = 2281392.

The previous prime is 2313137. The next prime is 2313161. The reversal of 2313151 is 1513132.

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

It is a cyclic number.

It is not a de Polignac number, because 2313151 - 2¹⁹ = 1788863 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2313161) 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, 15771 + ... + 15916.

It is an arithmetic number, because the mean of its divisors is an integer number (586228).

2^2313151 is an apocalyptic number.

2313151 is a deficient number, since it is larger than the sum of its proper divisors (31761).

2313151 is an equidigital number, since it uses as much as digits as its factorization.

2313151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31760.

The product of its digits is 90, while the sum is 16.

The square root of 2313151 is about 1520.9046649938. The cubic root of 2313151 is about 132.2517197042.

Adding to 2313151 its reverse (1513132), we get a palindrome (3826283).

The spelling of 2313151 in words is "two million, three hundred thirteen thousand, one hundred fifty-one".