2981104631 has 4 divisors (see below), whose sum is σ = 2984982000. Its totient is φ = 2977227264.

The previous prime is 2981104601. The next prime is 2981104639. The reversal of 2981104631 is 1364011892.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2981104631 - 2¹⁰ = 2981103607 is a prime.

It is a super-2 number, since 2×2981104631² = 17773969641939292322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2981104591 and 2981104600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2981104639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1937531 + ... + 1939068.

It is an arithmetic number, because the mean of its divisors is an integer number (746245500).

Almost surely, 2^2981104631 is an apocalyptic number.

2981104631 is a deficient number, since it is larger than the sum of its proper divisors (3877369).

2981104631 is an equidigital number, since it uses as much as digits as its factorization.

2981104631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3877368.

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 2981104631 is about 54599.4929555211. The cubic root of 2981104631 is about 1439.2152087846.

The spelling of 2981104631 in words is "two billion, nine hundred eighty-one million, one hundred four thousand, six hundred thirty-one".