103431004 has 24 divisors (see below), whose sum is σ = 187318656. Its totient is φ = 49920000.

The previous prime is 103430993. The next prime is 103431007. The reversal of 103431004 is 400134301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103431007) 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, 63804 + ... + 65404.

It is an arithmetic number, because the mean of its divisors is an integer number (7804944).

Almost surely, 2^103431004 is an apocalyptic number.

It is an amenable number.

103431004 is a deficient number, since it is larger than the sum of its proper divisors (83887652).

103431004 is a wasteful number, since it uses less digits than its factorization.

103431004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2157 (or 2155 counting only the distinct ones).

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

The square root of 103431004 is about 10170.1034409685. The cubic root of 103431004 is about 469.4077404861.

Adding to 103431004 its reverse (400134301), we get a palindrome (503565305).

The spelling of 103431004 in words is "one hundred three million, four hundred thirty-one thousand, four".