11474311831 has 8 divisors (see below), whose sum is σ = 12079295280. Its totient is φ = 10869435648.

The previous prime is 11474311819. The next prime is 11474311867. The reversal of 11474311831 is 13811347411.

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

It is a cyclic number.

It is not a de Polignac number, because 11474311831 - 2⁷ = 11474311703 is a prime.

It is a super-2 number, since 2×11474311831² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11474311531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 287085 + ... + 324601.

It is an arithmetic number, because the mean of its divisors is an integer number (1509911910).

Almost surely, 2^11474311831 is an apocalyptic number.

11474311831 is a deficient number, since it is larger than the sum of its proper divisors (604983449).

11474311831 is a wasteful number, since it uses less digits than its factorization.

11474311831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53633.

The product of its digits is 8064, while the sum is 34.

The spelling of 11474311831 in words is "eleven billion, four hundred seventy-four million, three hundred eleven thousand, eight hundred thirty-one".