11984031 has 28 divisors (see below), whose sum is σ = 19044432. Its totient is φ = 7511616.

The previous prime is 11984029. The next prime is 11984039. The reversal of 11984031 is 13048911.

It is not a de Polignac number, because 11984031 - 2¹ = 11984029 is a prime.

It is a super-3 number, since 3×11984031³ (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 11983986 and 11984004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11984039) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 11910 + ... + 12876.

Almost surely, 2^11984031 is an apocalyptic number.

11984031 is a deficient number, since it is larger than the sum of its proper divisors (7060401).

11984031 is an frugal number, since it uses more digits than its factorization.

11984031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1002 (or 987 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 11984031 is about 3461.7959211947. The cubic root of 11984031 is about 228.8412481972.

The spelling of 11984031 in words is "eleven million, nine hundred eighty-four thousand, thirty-one".