2551231102 has 48 divisors (see below), whose sum is σ = 4489175520. Its totient is φ = 1065056256.

The previous prime is 2551231051. The next prime is 2551231103. The reversal of 2551231102 is 2011321552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2551231103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13218718 + ... + 13218910.

It is an arithmetic number, because the mean of its divisors is an integer number (93524490).

Almost surely, 2^2551231102 is an apocalyptic number.

2551231102 is a deficient number, since it is larger than the sum of its proper divisors (1937944418).

2551231102 is a wasteful number, since it uses less digits than its factorization.

2551231102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497 (or 394 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 2551231102 is about 50509.7129471154. The cubic root of 2551231102 is about 1366.4170325594.

Adding to 2551231102 its reverse (2011321552), we get a palindrome (4562552654).

The spelling of 2551231102 in words is "two billion, five hundred fifty-one million, two hundred thirty-one thousand, one hundred two".