11413131 has 16 divisors (see below), whose sum is σ = 15732000. Its totient is φ = 7354368.

The previous prime is 11413123. The next prime is 11413147. The reversal of 11413131 is 13131411.

11413131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11413131 - 2³ = 11413123 is a prime.

It is a super-2 number, since 2×11413131² = 260519118446322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11413131.

It is not an unprimeable number, because it can be changed into a prime (11413111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25195 + ... + 25643.

It is an arithmetic number, because the mean of its divisors is an integer number (983250).

Almost surely, 2^11413131 is an apocalyptic number.

11413131 is a deficient number, since it is larger than the sum of its proper divisors (4318869).

11413131 is a wasteful number, since it uses less digits than its factorization.

11413131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 718.

The product of its digits is 36, while the sum is 15.

The square root of 11413131 is about 3378.3325768787. The cubic root of 11413131 is about 225.1480901632.

Adding to 11413131 its reverse (13131411), we get a palindrome (24544542).

The spelling of 11413131 in words is "eleven million, four hundred thirteen thousand, one hundred thirty-one".