1131321002 has 8 divisors (see below), whose sum is σ = 1939407456. Its totient is φ = 484851852.

The previous prime is 1131320989. The next prime is 1131321017. The reversal of 1131321002 is 2001231311.

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

It is a Harshad number since it is a multiple of its sum of digits (14), and also a Moran number because the ratio is a prime number: 80808643 = 1131321002 / (1 + 1 + 3 + 1 + 3 + 2 + 1 + 0 + 0 + 2).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40404308 + ... + 40404335.

It is an arithmetic number, because the mean of its divisors is an integer number (242425932).

Almost surely, 2^1131321002 is an apocalyptic number.

1131321002 is a deficient number, since it is larger than the sum of its proper divisors (808086454).

1131321002 is an equidigital number, since it uses as much as digits as its factorization.

1131321002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80808652.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 1131321002 is about 33635.1156085422. The cubic root of 1131321002 is about 1041.9861582569.

Adding to 1131321002 its reverse (2001231311), we get a palindrome (3132552313).

The spelling of 1131321002 in words is "one billion, one hundred thirty-one million, three hundred twenty-one thousand, two".