11430120131 has 4 divisors (see below), whose sum is σ = 11430459264. Its totient is φ = 11429781000.

The previous prime is 11430120127. The next prime is 11430120133. The reversal of 11430120131 is 13102103411.

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 11430120131 - 2² = 11430120127 is a prime.

It is a super-2 number, since 2×11430120131² (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 (11430120133) 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, 112640 + ... + 188541.

It is an arithmetic number, because the mean of its divisors is an integer number (2857614816).

Almost surely, 2^11430120131 is an apocalyptic number.

11430120131 is a deficient number, since it is larger than the sum of its proper divisors (339133).

11430120131 is an equidigital number, since it uses as much as digits as its factorization.

11430120131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339132.

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

Adding to 11430120131 its reverse (13102103411), we get a palindrome (24532223542).

The spelling of 11430120131 in words is "eleven billion, four hundred thirty million, one hundred twenty thousand, one hundred thirty-one".