1983233631 has 8 divisors (see below), whose sum is σ = 2648504704. Its totient is φ = 1320059160.

The previous prime is 1983233569. The next prime is 1983233639. The reversal of 1983233631 is 1363323891.

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

It is not a de Polignac number, because 1983233631 - 2²³ = 1974845023 is a prime.

It is a super-2 number, since 2×1983233631² = 7866431270258888322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1983233631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1983233639) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 521941 + ... + 525726.

It is an arithmetic number, because the mean of its divisors is an integer number (331063088).

Almost surely, 2^1983233631 is an apocalyptic number.

1983233631 is a deficient number, since it is larger than the sum of its proper divisors (665271073).

1983233631 is a wasteful number, since it uses less digits than its factorization.

1983233631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1048301.

The product of its digits is 69984, while the sum is 39.

The square root of 1983233631 is about 44533.5113257421. The cubic root of 1983233631 is about 1256.3904486719.

The spelling of 1983233631 in words is "one billion, nine hundred eighty-three million, two hundred thirty-three thousand, six hundred thirty-one".