1000404103131 has 24 divisors (see below), whose sum is σ = 1495536746496. Its totient is φ = 643736758320.

The previous prime is 1000404103063. The next prime is 1000404103151. The reversal of 1000404103131 is 1313014040001.

It is not a de Polignac number, because 1000404103131 - 2¹¹ = 1000404101083 is a prime.

It is a super-2 number, since 2×1000404103131² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1000404103151) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4574185 + ... + 4787898.

It is an arithmetic number, because the mean of its divisors is an integer number (62314031104).

Almost surely, 2^{1000404103131} is an apocalyptic number.

1000404103131 is a deficient number, since it is larger than the sum of its proper divisors (495132643365).

1000404103131 is a wasteful number, since it uses less digits than its factorization.

1000404103131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9362503 (or 9362500 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 1000404103131 its reverse (1313014040001), we get a palindrome (2313418143132).

The spelling of 1000404103131 in words is "one trillion, four hundred four million, one hundred three thousand, one hundred thirty-one".