11313021427 has 2 divisors, whose sum is σ = 11313021428. Its totient is φ = 11313021426.

The previous prime is 11313021409. The next prime is 11313021451. The reversal of 11313021427 is 72412031311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11313021427 - 2²³ = 11304632819 is a prime.

It is a super-2 number, since 2×11313021427² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11313021407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5656510713 + 5656510714.

It is an arithmetic number, because the mean of its divisors is an integer number (5656510714).

Almost surely, 2^11313021427 is an apocalyptic number.

11313021427 is a deficient number, since it is larger than the sum of its proper divisors (1).

11313021427 is an equidigital number, since it uses as much as digits as its factorization.

11313021427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 25.

Adding to 11313021427 its reverse (72412031311), we get a palindrome (83725052738).

The spelling of 11313021427 in words is "eleven billion, three hundred thirteen million, twenty-one thousand, four hundred twenty-seven".