100403431000 has 32 divisors (see below), whose sum is σ = 234944030880. Its totient is φ = 40161372000.

The previous prime is 100403430979. The next prime is 100403431031. The reversal of 100403431000 is 134304001.

It is a super-2 number, since 2×100403431000² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

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, 50200716 + ... + 50202715.

It is an arithmetic number, because the mean of its divisors is an integer number (7342000965).

Almost surely, 2^100403431000 is an apocalyptic number.

100403431000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100403431000 is an abundant number, since it is smaller than the sum of its proper divisors (134540599880).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100403431000 is a wasteful number, since it uses less digits than its factorization.

100403431000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100403452 (or 100403438 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 100403431000 its reverse (134304001), we get a palindrome (100537735001).

The spelling of 100403431000 in words is "one hundred billion, four hundred three million, four hundred thirty-one thousand".