2104401531 has 8 divisors (see below), whose sum is σ = 2809057104. Its totient is φ = 1401340160.

The previous prime is 2104401527. The next prime is 2104401539. The reversal of 2104401531 is 1351044012.

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

It is a cyclic number.

It is not a de Polignac number, because 2104401531 - 2² = 2104401527 is a prime.

It is a super-2 number, since 2×2104401531² = 8857011607350287922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2104401498 and 2104401507.

It is not an unprimeable number, because it can be changed into a prime (2104401539) 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, 395466 + ... + 400751.

It is an arithmetic number, because the mean of its divisors is an integer number (351132138).

Almost surely, 2^2104401531 is an apocalyptic number.

2104401531 is a deficient number, since it is larger than the sum of its proper divisors (704655573).

2104401531 is an equidigital number, since it uses as much as digits as its factorization.

2104401531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 797101.

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

The square root of 2104401531 is about 45873.7564518102. The cubic root of 2104401531 is about 1281.4732245895.

Adding to 2104401531 its reverse (1351044012), we get a palindrome (3455445543).

The spelling of 2104401531 in words is "two billion, one hundred four million, four hundred one thousand, five hundred thirty-one".