2231256326 has 32 divisors (see below), whose sum is σ = 3778191648. Its totient is φ = 981308160.

The previous prime is 2231256299. The next prime is 2231256359. The reversal of 2231256326 is 6236521322.

It is a super-3 number, since 3×2231256326³ (a number of 29 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2231256292 and 2231256301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21500 + ... + 70176.

It is an arithmetic number, because the mean of its divisors is an integer number (118068489).

Almost surely, 2^2231256326 is an apocalyptic number.

2231256326 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2231256326 is a deficient number, since it is larger than the sum of its proper divisors (1546935322).

2231256326 is a wasteful number, since it uses less digits than its factorization.

2231256326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48776.

The product of its digits is 25920, while the sum is 32.

The square root of 2231256326 is about 47236.1760306653. The cubic root of 2231256326 is about 1306.7218554742.

Adding to 2231256326 its reverse (6236521322), we get a palindrome (8467777648).

The spelling of 2231256326 in words is "two billion, two hundred thirty-one million, two hundred fifty-six thousand, three hundred twenty-six".