2311012553 has 2 divisors, whose sum is σ = 2311012554. Its totient is φ = 2311012552.

The previous prime is 2311012493. The next prime is 2311012603. The reversal of 2311012553 is 3552101132.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2238898489 + 72114064 = 47317^2 + 8492^2 .

It is a cyclic number.

It is not a de Polignac number, because 2311012553 - 2¹² = 2311008457 is a prime.

It is not a weakly prime, because it can be changed into another prime (2311012153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1155506276 + 1155506277.

It is an arithmetic number, because the mean of its divisors is an integer number (1155506277).

Almost surely, 2^2311012553 is an apocalyptic number.

It is an amenable number.

2311012553 is a deficient number, since it is larger than the sum of its proper divisors (1).

2311012553 is an equidigital number, since it uses as much as digits as its factorization.

2311012553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 2311012553 is about 48072.9919289407. The cubic root of 2311012553 is about 1322.1095273176.

Adding to 2311012553 its reverse (3552101132), we get a palindrome (5863113685).

The spelling of 2311012553 in words is "two billion, three hundred eleven million, twelve thousand, five hundred fifty-three".