1131001093 has 4 divisors (see below), whose sum is σ = 1157303488. Its totient is φ = 1104698700.

The previous prime is 1131001019. The next prime is 1131001097. The reversal of 1131001093 is 3901001311.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1131001093 - 2²⁵ = 1097446661 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1131001093.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131001097) 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, 13151133 + ... + 13151218.

It is an arithmetic number, because the mean of its divisors is an integer number (289325872).

Almost surely, 2^1131001093 is an apocalyptic number.

It is an amenable number.

1131001093 is a deficient number, since it is larger than the sum of its proper divisors (26302395).

1131001093 is an equidigital number, since it uses as much as digits as its factorization.

1131001093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26302394.

The product of its (nonzero) digits is 81, while the sum is 19.

The square root of 1131001093 is about 33630.3596918023. The cubic root of 1131001093 is about 1041.8879332102.

The spelling of 1131001093 in words is "one billion, one hundred thirty-one million, one thousand, ninety-three".