11130322431 has 16 divisors (see below), whose sum is σ = 14893632000. Its totient is φ = 7393642368.

The previous prime is 11130322421. The next prime is 11130322453. The reversal of 11130322431 is 13422303111.

It is not a de Polignac number, because 11130322431 - 2¹⁰ = 11130321407 is a prime.

It is a super-2 number, since 2×11130322431² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11130322398 and 11130322407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11130322421) 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, 2726650 + ... + 2730728.

It is an arithmetic number, because the mean of its divisors is an integer number (930852000).

Almost surely, 2^11130322431 is an apocalyptic number.

11130322431 is a deficient number, since it is larger than the sum of its proper divisors (3763309569).

11130322431 is a wasteful number, since it uses less digits than its factorization.

11130322431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7118.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 11130322431 its reverse (13422303111), we get a palindrome (24552625542).

The spelling of 11130322431 in words is "eleven billion, one hundred thirty million, three hundred twenty-two thousand, four hundred thirty-one".