11631371 has 8 divisors (see below), whose sum is σ = 12048960. Its totient is φ = 11220552.

The previous prime is 11631341. The next prime is 11631391. The reversal of 11631371 is 17313611.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11631371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11631311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1940 + ... + 5198.

It is an arithmetic number, because the mean of its divisors is an integer number (1506120).

Almost surely, 2^11631371 is an apocalyptic number.

11631371 is a deficient number, since it is larger than the sum of its proper divisors (417589).

11631371 is an equidigital number, since it uses as much as digits as its factorization.

11631371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3385.

The product of its digits is 378, while the sum is 23.

The square root of 11631371 is about 3410.4795850437. The cubic root of 11631371 is about 226.5741204757.

Adding to 11631371 its reverse (17313611), we get a palindrome (28944982).

The spelling of 11631371 in words is "eleven million, six hundred thirty-one thousand, three hundred seventy-one".