2104020531 has 12 divisors (see below), whose sum is σ = 3040006320. Its totient is φ = 1402280880.

The previous prime is 2104020511. The next prime is 2104020547. The reversal of 2104020531 is 1350204012.

2104020531 is a `hidden beast` number, since 210 + 402 + 0 + 53 + 1 = 666.

It is not a de Polignac number, because 2104020531 - 2⁹ = 2104020019 is a prime.

It is a super-2 number, since 2×2104020531² = 8853804789739043922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2104020511) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2041 + ... + 64901.

It is an arithmetic number, because the mean of its divisors is an integer number (253333860).

Almost surely, 2^2104020531 is an apocalyptic number.

2104020531 is a deficient number, since it is larger than the sum of its proper divisors (935985789).

2104020531 is a wasteful number, since it uses less digits than its factorization.

2104020531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66586 (or 66583 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 2104020531 is about 45869.6035627081. The cubic root of 2104020531 is about 1281.3958833978.

Adding to 2104020531 its reverse (1350204012), we get a palindrome (3454224543).

The spelling of 2104020531 in words is "two billion, one hundred four million, twenty thousand, five hundred thirty-one".