2313544551 has 4 divisors (see below), whose sum is σ = 3084726072. Its totient is φ = 1542363032.

The previous prime is 2313544531. The next prime is 2313544553. The reversal of 2313544551 is 1554453132.

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 2313544551 - 2⁷ = 2313544423 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2313544553) 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, 385590756 + ... + 385590761.

It is an arithmetic number, because the mean of its divisors is an integer number (771181518).

Almost surely, 2^2313544551 is an apocalyptic number.

2313544551 is a deficient number, since it is larger than the sum of its proper divisors (771181521).

2313544551 is an equidigital number, since it uses as much as digits as its factorization.

2313544551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 771181520.

The product of its digits is 36000, while the sum is 33.

The square root of 2313544551 is about 48099.3196521531. The cubic root of 2313544551 is about 1322.5921955254.

Adding to 2313544551 its reverse (1554453132), we get a palindrome (3867997683).

The spelling of 2313544551 in words is "two billion, three hundred thirteen million, five hundred forty-four thousand, five hundred fifty-one".