2104021240431 has 64 divisors (see below), whose sum is σ = 3116623910400. Its totient is φ = 1251986227200.

The previous prime is 2104021240411. The next prime is 2104021240543. The reversal of 2104021240431 is 1340421204012.

It is not a de Polignac number, because 2104021240431 - 2¹³ = 2104021232239 is a prime.

It is a super-2 number, since 2×2104021240431² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2104021240411) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 207512560 + ... + 207522698.

It is an arithmetic number, because the mean of its divisors is an integer number (48697248600).

Almost surely, 2^{2104021240431} is an apocalyptic number.

2104021240431 is a deficient number, since it is larger than the sum of its proper divisors (1012602669969).

2104021240431 is a wasteful number, since it uses less digits than its factorization.

2104021240431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10760.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 2104021240431 its reverse (1340421204012), we get a palindrome (3444442444443).

The spelling of 2104021240431 in words is "two trillion, one hundred four billion, twenty-one million, two hundred forty thousand, four hundred thirty-one".