201431004 has 24 divisors (see below), whose sum is σ = 470294160. Its totient is φ = 67102464.

The previous prime is 201430981. The next prime is 201431029. The reversal of 201431004 is 400134102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20212 + ... + 28484.

It is an arithmetic number, because the mean of its divisors is an integer number (19595590).

Almost surely, 2^201431004 is an apocalyptic number.

It is an amenable number.

201431004 is an abundant number, since it is smaller than the sum of its proper divisors (268863156).

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

201431004 is a wasteful number, since it uses less digits than its factorization.

201431004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10309 (or 10307 counting only the distinct ones).

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

The square root of 201431004 is about 14192.6390780573. The cubic root of 201431004 is about 586.1949946498.

Adding to 201431004 its reverse (400134102), we get a palindrome (601565106).

The spelling of 201431004 in words is "two hundred one million, four hundred thirty-one thousand, four".