204031401 has 16 divisors (see below), whose sum is σ = 311700864. Its totient is φ = 116290944.

The previous prime is 204031363. The next prime is 204031409. The reversal of 204031401 is 104130402.

It is not a de Polignac number, because 204031401 - 2⁶ = 204031337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (204031409) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3900 + ... + 20573.

It is an arithmetic number, because the mean of its divisors is an integer number (19481304).

Almost surely, 2^204031401 is an apocalyptic number.

204031401 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

204031401 is a deficient number, since it is larger than the sum of its proper divisors (107669463).

204031401 is a wasteful number, since it uses less digits than its factorization.

204031401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24880.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 204031401 is about 14283.9560696608. The cubic root of 204031401 is about 588.7067344390.

Adding to 204031401 its reverse (104130402), we get a palindrome (308161803).

Subtracting from 204031401 its reverse (104130402), we obtain a palindrome (99900999).

The spelling of 204031401 in words is "two hundred four million, thirty-one thousand, four hundred one".