11013434131 has 8 divisors (see below), whose sum is σ = 12643226624. Its totient is φ = 9397752840.

The previous prime is 11013434111. The next prime is 11013434191. The reversal of 11013434131 is 13143431011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11013434131 - 2⁵ = 11013434099 is a prime.

It is a super-2 number, since 2×11013434131² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11013434111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3526125 + ... + 3529246.

It is an arithmetic number, because the mean of its divisors is an integer number (1580403328).

Almost surely, 2^11013434131 is an apocalyptic number.

11013434131 is a deficient number, since it is larger than the sum of its proper divisors (1629792493).

11013434131 is an equidigital number, since it uses as much as digits as its factorization.

11013434131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7055601.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 11013434131 its reverse (13143431011), we get a palindrome (24156865142).

The spelling of 11013434131 in words is "eleven billion, thirteen million, four hundred thirty-four thousand, one hundred thirty-one".