2555321431 has 4 divisors (see below), whose sum is σ = 2751884632. Its totient is φ = 2358758232.

The previous prime is 2555321429. The next prime is 2555321437. The reversal of 2555321431 is 1341235552.

2555321431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2555321431 - 2¹ = 2555321429 is a prime.

It is a super-2 number, since 2×2555321431² = 13059335231455775522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2555321393 and 2555321402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2555321437) 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, 98281581 + ... + 98281606.

It is an arithmetic number, because the mean of its divisors is an integer number (687971158).

Almost surely, 2^2555321431 is an apocalyptic number.

2555321431 is a deficient number, since it is larger than the sum of its proper divisors (196563201).

2555321431 is a wasteful number, since it uses less digits than its factorization.

2555321431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196563200.

The product of its digits is 18000, while the sum is 31.

The square root of 2555321431 is about 50550.1872499005. The cubic root of 2555321431 is about 1367.1468907721.

Adding to 2555321431 its reverse (1341235552), we get a palindrome (3896556983).

The spelling of 2555321431 in words is "two billion, five hundred fifty-five million, three hundred twenty-one thousand, four hundred thirty-one".