1131312033 has 24 divisors (see below), whose sum is σ = 1645113600. Its totient is φ = 749153664.

The previous prime is 1131312031. The next prime is 1131312059. The reversal of 1131312033 is 3302131311.

It is a happy number.

1131312033 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1131312033 - 2¹ = 1131312031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1131311997 and 1131312015.

It is not an unprimeable number, because it can be changed into a prime (1131312031) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1088328 + ... + 1089366.

It is an arithmetic number, because the mean of its divisors is an integer number (68546400).

Almost surely, 2^1131312033 is an apocalyptic number.

It is an amenable number.

1131312033 is a deficient number, since it is larger than the sum of its proper divisors (513801567).

1131312033 is a wasteful number, since it uses less digits than its factorization.

1131312033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1741 (or 1738 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

The square root of 1131312033 is about 33634.9822803580. The cubic root of 1131312033 is about 1041.9834046622.

Adding to 1131312033 its reverse (3302131311), we get a palindrome (4433443344).

The spelling of 1131312033 in words is "one billion, one hundred thirty-one million, three hundred twelve thousand, thirty-three".