1131509703 has 8 divisors (see below), whose sum is σ = 1557346816. Its totient is φ = 730006200.

The previous prime is 1131509689. The next prime is 1131509723. The reversal of 1131509703 is 3079051311.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1131509703 - 2⁵ = 1131509671 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131509723) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6083293 + ... + 6083478.

It is an arithmetic number, because the mean of its divisors is an integer number (194668352).

Almost surely, 2^1131509703 is an apocalyptic number.

1131509703 is a deficient number, since it is larger than the sum of its proper divisors (425837113).

1131509703 is a wasteful number, since it uses less digits than its factorization.

1131509703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12166805.

The product of its (nonzero) digits is 2835, while the sum is 30.

The square root of 1131509703 is about 33637.9206105253. The cubic root of 1131509703 is about 1042.0440884402.

The spelling of 1131509703 in words is "one billion, one hundred thirty-one million, five hundred nine thousand, seven hundred three".