1131843051 has 40 divisors (see below), whose sum is σ = 1795125024. Its totient is φ = 708238080.

The previous prime is 1131843023. The next prime is 1131843073. The reversal of 1131843051 is 1503481311.

It is not a de Polignac number, because 1131843051 - 2⁹ = 1131842539 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1131843751) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 633906 + ... + 635688.

Almost surely, 2^1131843051 is an apocalyptic number.

1131843051 is a deficient number, since it is larger than the sum of its proper divisors (663281973).

1131843051 is a wasteful number, since it uses less digits than its factorization.

1131843051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2273 (or 2264 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 1131843051 is about 33642.8751892581. The cubic root of 1131843051 is about 1042.1464087314.

The spelling of 1131843051 in words is "one billion, one hundred thirty-one million, eight hundred forty-three thousand, fifty-one".