1131033442 has 32 divisors (see below), whose sum is σ = 2134978560. Its totient is φ = 436537680.

The previous prime is 1131033439. The next prime is 1131033469. The reversal of 1131033442 is 2443301311.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17842 + ... + 50797.

It is an arithmetic number, because the mean of its divisors is an integer number (66718080).

Almost surely, 2^1131033442 is an apocalyptic number.

1131033442 is a deficient number, since it is larger than the sum of its proper divisors (1003945118).

1131033442 is a wasteful number, since it uses less digits than its factorization.

1131033442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68766.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 1131033442 is about 33630.8406377242. The cubic root of 1131033442 is about 1041.8978665078.

Adding to 1131033442 its reverse (2443301311), we get a palindrome (3574334753).

The spelling of 1131033442 in words is "one billion, one hundred thirty-one million, thirty-three thousand, four hundred forty-two".