2031225251 has 8 divisors (see below), whose sum is σ = 2216222208. Its totient is φ = 1846285000.

The previous prime is 2031225247. The next prime is 2031225253. The reversal of 2031225251 is 1525221302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2031225251 - 2² = 2031225247 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2031225253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102566 + ... + 120756.

It is an arithmetic number, because the mean of its divisors is an integer number (277027776).

Almost surely, 2^2031225251 is an apocalyptic number.

2031225251 is a deficient number, since it is larger than the sum of its proper divisors (184996957).

2031225251 is a wasteful number, since it uses less digits than its factorization.

2031225251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28353.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 2031225251 is about 45069.1163769604. The cubic root of 2031225251 is about 1266.4441112298. Note that the first 3 decimals are identical.

Adding to 2031225251 its reverse (1525221302), we get a palindrome (3556446553).

The spelling of 2031225251 in words is "two billion, thirty-one million, two hundred twenty-five thousand, two hundred fifty-one".