11031415231 has 2 divisors, whose sum is σ = 11031415232. Its totient is φ = 11031415230.

The previous prime is 11031415217. The next prime is 11031415249. The reversal of 11031415231 is 13251413011.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11031415231 - 2²⁷ = 10897197503 is a prime.

It is a super-2 number, since 2×11031415231² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11031415631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5515707615 + 5515707616.

It is an arithmetic number, because the mean of its divisors is an integer number (5515707616).

Almost surely, 2^11031415231 is an apocalyptic number.

11031415231 is a deficient number, since it is larger than the sum of its proper divisors (1).

11031415231 is an equidigital number, since it uses as much as digits as its factorization.

11031415231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 22.

Adding to 11031415231 its reverse (13251413011), we get a palindrome (24282828242).

The spelling of 11031415231 in words is "eleven billion, thirty-one million, four hundred fifteen thousand, two hundred thirty-one".