2311025641 has 2 divisors, whose sum is σ = 2311025642. Its totient is φ = 2311025640.

The previous prime is 2311025623. The next prime is 2311025653. The reversal of 2311025641 is 1465201132.

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., 1973936041 + 337089600 = 44429^2 + 18360^2 .

It is a cyclic number.

It is not a de Polignac number, because 2311025641 - 2¹¹ = 2311023593 is a prime.

2311025641 is a modest number, since divided by 25641 gives 2311 as remainder.

It is not a weakly prime, because it can be changed into another prime (2311025741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1155512820 + 1155512821.

It is an arithmetic number, because the mean of its divisors is an integer number (1155512821).

Almost surely, 2^2311025641 is an apocalyptic number.

It is an amenable number.

2311025641 is a deficient number, since it is larger than the sum of its proper divisors (1).

2311025641 is an equidigital number, since it uses as much as digits as its factorization.

2311025641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 2311025641 is about 48073.1280550788. The cubic root of 2311025641 is about 1322.1120231553.

Adding to 2311025641 its reverse (1465201132), we get a palindrome (3776226773).

The spelling of 2311025641 in words is "two billion, three hundred eleven million, twenty-five thousand, six hundred forty-one".