1135320031 has 2 divisors, whose sum is σ = 1135320032. Its totient is φ = 1135320030.

The previous prime is 1135320007. The next prime is 1135320047. The reversal of 1135320031 is 1300235311.

It is a strong prime.

It is an emirp because it is prime and its reverse (1300235311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1135320031 - 2⁷ = 1135319903 is a prime.

It is a super-2 number, since 2×1135320031² = 2577903145579681922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1135319990 and 1135320008.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1135320331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 567660015 + 567660016.

It is an arithmetic number, because the mean of its divisors is an integer number (567660016).

Almost surely, 2^1135320031 is an apocalyptic number.

1135320031 is a deficient number, since it is larger than the sum of its proper divisors (1).

1135320031 is an equidigital number, since it uses as much as digits as its factorization.

1135320031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 270, while the sum is 19.

The square root of 1135320031 is about 33694.5103985798. The cubic root of 1135320031 is about 1043.2124629263.

Adding to 1135320031 its reverse (1300235311), we get a palindrome (2435555342).

The spelling of 1135320031 in words is "one billion, one hundred thirty-five million, three hundred twenty thousand, thirty-one".