11023140131 has 4 divisors (see below), whose sum is σ = 11023364352. Its totient is φ = 11022915912.

The previous prime is 11023140127. The next prime is 11023140173. The reversal of 11023140131 is 13104132011.

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 11023140131 - 2² = 11023140127 is a prime.

It is a super-2 number, since 2×11023140131² (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 (11023145131) 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, 2915 + ... + 148508.

It is an arithmetic number, because the mean of its divisors is an integer number (2755841088).

Almost surely, 2^11023140131 is an apocalyptic number.

11023140131 is a deficient number, since it is larger than the sum of its proper divisors (224221).

11023140131 is an equidigital number, since it uses as much as digits as its factorization.

11023140131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224220.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 11023140131 its reverse (13104132011), we get a palindrome (24127272142).

The spelling of 11023140131 in words is "eleven billion, twenty-three million, one hundred forty thousand, one hundred thirty-one".