1135353231 has 12 divisors (see below), whose sum is σ = 1647729720. Its totient is φ = 753313680.

The previous prime is 1135353223. The next prime is 1135353253. The reversal of 1135353231 is 1323535311.

It is not a de Polignac number, because 1135353231 - 2³ = 1135353223 is a prime.

It is a super-2 number, since 2×1135353231² = 2578053918284278722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1135353195 and 1135353204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1133353231) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 297036 + ... + 300833.

It is an arithmetic number, because the mean of its divisors is an integer number (137310810).

Almost surely, 2^1135353231 is an apocalyptic number.

1135353231 is a deficient number, since it is larger than the sum of its proper divisors (512376489).

1135353231 is a wasteful number, since it uses less digits than its factorization.

1135353231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 598086 (or 598083 counting only the distinct ones).

The product of its digits is 4050, while the sum is 27.

The square root of 1135353231 is about 33695.0030568332. The cubic root of 1135353231 is about 1043.2226316644. Note that the first 3 decimals are identical.

Adding to 1135353231 its reverse (1323535311), we get a palindrome (2458888542).

The spelling of 1135353231 in words is "one billion, one hundred thirty-five million, three hundred fifty-three thousand, two hundred thirty-one".