100400312331404 has 24 divisors (see below), whose sum is σ = 180352496023056. Its totient is φ = 48876015104000.

The previous prime is 100400312331353. The next prime is 100400312331419. The reversal of 100400312331404 is 404133213004001.

It is a happy number.

It is a super-2 number, since 2×100400312331404² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 623338037 + ... + 623499084.

It is an arithmetic number, because the mean of its divisors is an integer number (7514687334294).

Almost surely, 2^{100400312331404} is an apocalyptic number.

It is an amenable number.

100400312331404 is a deficient number, since it is larger than the sum of its proper divisors (79952183691652).

100400312331404 is a wasteful number, since it uses less digits than its factorization.

100400312331404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1246837657 (or 1246837655 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 100400312331404 its reverse (404133213004001), we get a palindrome (504533525335405).

The spelling of 100400312331404 in words is "one hundred trillion, four hundred billion, three hundred twelve million, three hundred thirty-one thousand, four hundred four".