2231263457 has 2 divisors, whose sum is σ = 2231263458. Its totient is φ = 2231263456.

The previous prime is 2231263361. The next prime is 2231263487. The reversal of 2231263457 is 7543621322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1862008801 + 369254656 = 43151^2 + 19216^2 .

It is a cyclic number.

It is not a de Polignac number, because 2231263457 - 2¹² = 2231259361 is a prime.

It is a super-3 number, since 3×2231263457³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (2231263487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1115631728 + 1115631729.

It is an arithmetic number, because the mean of its divisors is an integer number (1115631729).

Almost surely, 2^2231263457 is an apocalyptic number.

It is an amenable number.

2231263457 is a deficient number, since it is larger than the sum of its proper divisors (1).

2231263457 is an equidigital number, since it uses as much as digits as its factorization.

2231263457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60480, while the sum is 35.

The square root of 2231263457 is about 47236.2515130064. The cubic root of 2231263457 is about 1306.7232475485.

Adding to 2231263457 its reverse (7543621322), we get a palindrome (9774884779).

The spelling of 2231263457 in words is "two billion, two hundred thirty-one million, two hundred sixty-three thousand, four hundred fifty-seven".