2531051423 has 4 divisors (see below), whose sum is σ = 2589913128. Its totient is φ = 2472189720.

The previous prime is 2531051387. The next prime is 2531051431. The reversal of 2531051423 is 3241501352.

It is a happy number.

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 2531051423 - 2⁶ = 2531051359 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2531051392 and 2531051401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2531051023) 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, 29430788 + ... + 29430873.

It is an arithmetic number, because the mean of its divisors is an integer number (647478282).

Almost surely, 2^2531051423 is an apocalyptic number.

2531051423 is a deficient number, since it is larger than the sum of its proper divisors (58861705).

2531051423 is an equidigital number, since it uses as much as digits as its factorization.

2531051423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58861704.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 2531051423 is about 50309.5559809466. Note that the first 3 decimals coincide. The cubic root of 2531051423 is about 1362.8048053360.

Adding to 2531051423 its reverse (3241501352), we get a palindrome (5772552775).

The spelling of 2531051423 in words is "two billion, five hundred thirty-one million, fifty-one thousand, four hundred twenty-three".