201431005541 has 8 divisors (see below), whose sum is σ = 202431427968. Its totient is φ = 200431944000.

The previous prime is 201431005537. The next prime is 201431005571. The reversal of 201431005541 is 145500134102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 201431005541 - 2² = 201431005537 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 201431005541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201431005571) 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, 42815 + ... + 636156.

It is an arithmetic number, because the mean of its divisors is an integer number (25303928496).

Almost surely, 2^201431005541 is an apocalyptic number.

It is an amenable number.

201431005541 is a deficient number, since it is larger than the sum of its proper divisors (1000422427).

201431005541 is a wasteful number, since it uses less digits than its factorization.

201431005541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680443.

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 201431005541 its reverse (145500134102), we get a palindrome (346931139643).

The spelling of 201431005541 in words is "two hundred one billion, four hundred thirty-one million, five thousand, five hundred forty-one".