201434031 has 12 divisors (see below), whose sum is σ = 298824552. Its totient is φ = 130659696.

The previous prime is 201433997. The next prime is 201434039. The reversal of 201434031 is 130434102.

201434031 is a `hidden beast` number, since 201 + 434 + 0 + 31 = 666.

It is not a de Polignac number, because 201434031 - 2¹⁰ = 201433007 is a prime.

It is a super-2 number, since 2×201434031² = 81151337689817922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 201433995 and 201434013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201434039) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 302121 + ... + 302786.

It is an arithmetic number, because the mean of its divisors is an integer number (24902046).

Almost surely, 2^201434031 is an apocalyptic number.

201434031 is a deficient number, since it is larger than the sum of its proper divisors (97390521).

201434031 is a wasteful number, since it uses less digits than its factorization.

201434031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 604950 (or 604947 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 201434031 is about 14192.7457174431. The cubic root of 201434031 is about 586.1979309793.

Adding to 201434031 its reverse (130434102), we get a palindrome (331868133).

The spelling of 201434031 in words is "two hundred one million, four hundred thirty-four thousand, thirty-one".