1131403215 has 8 divisors (see below), whose sum is σ = 1810245168. Its totient is φ = 603415040.

The previous prime is 1131403199. The next prime is 1131403237. The reversal of 1131403215 is 5123041311.

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

It is not a de Polignac number, because 1131403215 - 2⁴ = 1131403199 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1131403191 and 1131403200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37713426 + ... + 37713455.

It is an arithmetic number, because the mean of its divisors is an integer number (226280646).

Almost surely, 2^1131403215 is an apocalyptic number.

1131403215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1131403215 is a deficient number, since it is larger than the sum of its proper divisors (678841953).

1131403215 is an equidigital number, since it uses as much as digits as its factorization.

1131403215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75426889.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 1131403215 is about 33636.3377168205. The cubic root of 1131403215 is about 1042.0113979938.

Adding to 1131403215 its reverse (5123041311), we get a palindrome (6254444526).

The spelling of 1131403215 in words is "one billion, one hundred thirty-one million, four hundred three thousand, two hundred fifteen".