2231251015 has 16 divisors (see below), whose sum is σ = 3122452800. Its totient is φ = 1529999520.

The previous prime is 2231250977. The next prime is 2231251019. The reversal of 2231251015 is 5101521322.

It is not a de Polignac number, because 2231251015 - 2¹¹ = 2231248967 is a prime.

It is a super-3 number, since 3×2231251015³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2231251019) 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, 648796 + ... + 652225.

It is an arithmetic number, because the mean of its divisors is an integer number (195153300).

Almost surely, 2^2231251015 is an apocalyptic number.

2231251015 is a deficient number, since it is larger than the sum of its proper divisors (891201785).

2231251015 is an equidigital number, since it uses as much as digits as its factorization.

2231251015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1301047 (or 1301033 counting only the distinct ones).

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

The square root of 2231251015 is about 47236.1198131261. The cubic root of 2231251015 is about 1306.7208186883.

Adding to 2231251015 its reverse (5101521322), we get a palindrome (7332772337).

The spelling of 2231251015 in words is "two billion, two hundred thirty-one million, two hundred fifty-one thousand, fifteen".