11430431101 has 2 divisors, whose sum is σ = 11430431102. Its totient is φ = 11430431100.

The previous prime is 11430431081. The next prime is 11430431107. The reversal of 11430431101 is 10113403411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7616751076 + 3813680025 = 87274^2 + 61755^2 .

It is a cyclic number.

It is not a de Polignac number, because 11430431101 - 2²³ = 11422042493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11430431107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5715215550 + 5715215551.

It is an arithmetic number, because the mean of its divisors is an integer number (5715215551).

Almost surely, 2^11430431101 is an apocalyptic number.

It is an amenable number.

11430431101 is a deficient number, since it is larger than the sum of its proper divisors (1).

11430431101 is an equidigital number, since it uses as much as digits as its factorization.

11430431101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 11430431101 its reverse (10113403411), we get a palindrome (21543834512).

The spelling of 11430431101 in words is "eleven billion, four hundred thirty million, four hundred thirty-one thousand, one hundred one".