5231630111 has 2 divisors, whose sum is σ = 5231630112. Its totient is φ = 5231630110.

The previous prime is 5231630087. The next prime is 5231630179. The reversal of 5231630111 is 1110361325.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5231630111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5231630311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2615815055 + 2615815056.

It is an arithmetic number, because the mean of its divisors is an integer number (2615815056).

Almost surely, 2^5231630111 is an apocalyptic number.

5231630111 is a deficient number, since it is larger than the sum of its proper divisors (1).

5231630111 is an equidigital number, since it uses as much as digits as its factorization.

5231630111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 5231630111 is about 72330.0083713530. The cubic root of 5231630111 is about 1735.9838353126.

Adding to 5231630111 its reverse (1110361325), we get a palindrome (6341991436).

The spelling of 5231630111 in words is "five billion, two hundred thirty-one million, six hundred thirty thousand, one hundred eleven".