2104450131 has 32 divisors (see below), whose sum is σ = 3250401280. Its totient is φ = 1186298784.

The previous prime is 2104450109. The next prime is 2104450133. The reversal of 2104450131 is 1310544012.

It is not a de Polignac number, because 2104450131 - 2⁷ = 2104450003 is a prime.

It is a super-2 number, since 2×2104450131² = 8857420707731834322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 2104450098 and 2104450107.

It is not an unprimeable number, because it can be changed into a prime (2104450133) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 473586 + ... + 478008.

It is an arithmetic number, because the mean of its divisors is an integer number (101575040).

Almost surely, 2^2104450131 is an apocalyptic number.

2104450131 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2104450131 is a deficient number, since it is larger than the sum of its proper divisors (1145951149).

2104450131 is a wasteful number, since it uses less digits than its factorization.

2104450131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4735.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 2104450131 is about 45874.2861633835. The cubic root of 2104450131 is about 1281.4830894875.

Adding to 2104450131 its reverse (1310544012), we get a palindrome (3414994143).

The spelling of 2104450131 in words is "two billion, one hundred four million, four hundred fifty thousand, one hundred thirty-one".