2105231254 has 32 divisors (see below), whose sum is σ = 3761890560. Its totient is φ = 864740448.

The previous prime is 2105231243. The next prime is 2105231257. The reversal of 2105231254 is 4521325012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2105231257) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4377 + ... + 65035.

It is an arithmetic number, because the mean of its divisors is an integer number (117559080).

Almost surely, 2^2105231254 is an apocalyptic number.

2105231254 is a deficient number, since it is larger than the sum of its proper divisors (1656659306).

2105231254 is a wasteful number, since it uses less digits than its factorization.

2105231254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60772.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 2105231254 is about 45882.7991081625. The cubic root of 2105231254 is about 1281.6416221254.

Adding to 2105231254 its reverse (4521325012), we get a palindrome (6626556266).

The spelling of 2105231254 in words is "two billion, one hundred five million, two hundred thirty-one thousand, two hundred fifty-four".