1131302099 has 4 divisors (see below), whose sum is σ = 1141313736. Its totient is φ = 1121290464.

The previous prime is 1131302087. The next prime is 1131302147. The reversal of 1131302099 is 9902031311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1131302099 - 2⁴ = 1131302083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1131302059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5005649 + ... + 5005874.

It is an arithmetic number, because the mean of its divisors is an integer number (285328434).

Almost surely, 2^1131302099 is an apocalyptic number.

1131302099 is a deficient number, since it is larger than the sum of its proper divisors (10011637).

1131302099 is a wasteful number, since it uses less digits than its factorization.

1131302099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10011636.

The product of its (nonzero) digits is 1458, while the sum is 29.

The square root of 1131302099 is about 33634.8346064017. The cubic root of 1131302099 is about 1041.9803547835.

The spelling of 1131302099 in words is "one billion, one hundred thirty-one million, three hundred two thousand, ninety-nine".