11200032131 has 4 divisors (see below), whose sum is σ = 11253113064. Its totient is φ = 11146951200.

The previous prime is 11200032121. The next prime is 11200032143. The reversal of 11200032131 is 13123000211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11200032131 - 2²² = 11195837827 is a prime.

It is a super-2 number, since 2×11200032131² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11200032121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26540150 + ... + 26540571.

It is an arithmetic number, because the mean of its divisors is an integer number (2813278266).

Almost surely, 2^11200032131 is an apocalyptic number.

11200032131 is a deficient number, since it is larger than the sum of its proper divisors (53080933).

11200032131 is an equidigital number, since it uses as much as digits as its factorization.

11200032131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53080932.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 11200032131 its reverse (13123000211), we get a palindrome (24323032342).

The spelling of 11200032131 in words is "eleven billion, two hundred million, thirty-two thousand, one hundred thirty-one".