201554042313 has 128 divisors (see below), whose sum is σ = 319159959552. Its totient is φ = 112121957376.

The previous prime is 201554042303. The next prime is 201554042317. The reversal of 201554042313 is 313240455102.

It is not a de Polignac number, because 201554042313 - 2²⁵ = 201520487881 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201554042317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 244901220 + ... + 244902042.

It is an arithmetic number, because the mean of its divisors is an integer number (2493437184).

Almost surely, 2^201554042313 is an apocalyptic number.

201554042313 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

201554042313 is a deficient number, since it is larger than the sum of its proper divisors (117605917239).

201554042313 is a wasteful number, since it uses less digits than its factorization.

201554042313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1103.

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 201554042313 its reverse (313240455102), we get a palindrome (514794497415).

The spelling of 201554042313 in words is "two hundred one billion, five hundred fifty-four million, forty-two thousand, three hundred thirteen".