11031200131 has 16 divisors (see below), whose sum is σ = 13160130048. Its totient is φ = 9040838400.

The previous prime is 11031200129. The next prime is 11031200137. The reversal of 11031200131 is 13100213011.

It is a cyclic number.

It is not a de Polignac number, because 11031200131 - 2¹ = 11031200129 is a prime.

It is a super-2 number, since 2×11031200131² (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 (11031200137) 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, 478336 + ... + 500866.

It is an arithmetic number, because the mean of its divisors is an integer number (822508128).

Almost surely, 2^11031200131 is an apocalyptic number.

11031200131 is a deficient number, since it is larger than the sum of its proper divisors (2128929917).

11031200131 is a wasteful number, since it uses less digits than its factorization.

11031200131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25602.

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 11031200131 its reverse (13100213011), we get a palindrome (24131413142).

The spelling of 11031200131 in words is "eleven billion, thirty-one million, two hundred thousand, one hundred thirty-one".