11130321031 has 8 divisors (see below), whose sum is σ = 11325288960. Its totient is φ = 10935563832.

The previous prime is 11130321029. The next prime is 11130321047. The reversal of 11130321031 is 13012303111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11130321031 - 2¹ = 11130321029 is a prime.

It is a super-2 number, since 2×11130321031² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11130320996 and 11130321014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11130321071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55816 + ... + 159298.

It is an arithmetic number, because the mean of its divisors is an integer number (1415661120).

Almost surely, 2^11130321031 is an apocalyptic number.

11130321031 is a deficient number, since it is larger than the sum of its proper divisors (194967929).

11130321031 is a wasteful number, since it uses less digits than its factorization.

11130321031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105365.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 11130321031 its reverse (13012303111), we get a palindrome (24142624142).

The spelling of 11130321031 in words is "eleven billion, one hundred thirty million, three hundred twenty-one thousand, thirty-one".