101431804 has 12 divisors (see below), whose sum is σ = 186848200. Its totient is φ = 48046608.

The previous prime is 101431801. The next prime is 101431819. The reversal of 101431804 is 408134101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101431801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 667239 + ... + 667390.

Almost surely, 2^101431804 is an apocalyptic number.

It is an amenable number.

101431804 is a deficient number, since it is larger than the sum of its proper divisors (85416396).

101431804 is a wasteful number, since it uses less digits than its factorization.

101431804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1334652 (or 1334650 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 101431804 is about 10071.3357604640. The cubic root of 101431804 is about 466.3636756563.

Adding to 101431804 its reverse (408134101), we get a palindrome (509565905).

The spelling of 101431804 in words is "one hundred one million, four hundred thirty-one thousand, eight hundred four".