201100313442 has 64 divisors (see below), whose sum is σ = 462028320000. Its totient is φ = 57161355264.

The previous prime is 201100313411. The next prime is 201100313473. The reversal of 201100313442 is 244313001102.

It is an interprime number because it is at equal distance from previous prime (201100313411) and next prime (201100313473).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12214488 + ... + 12230940.

It is an arithmetic number, because the mean of its divisors is an integer number (7219192500).

Almost surely, 2^201100313442 is an apocalyptic number.

201100313442 is an abundant number, since it is smaller than the sum of its proper divisors (260928006558).

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

201100313442 is a wasteful number, since it uses less digits than its factorization.

201100313442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17947.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 201100313442 its reverse (244313001102), we get a palindrome (445413314544).

The spelling of 201100313442 in words is "two hundred one billion, one hundred million, three hundred thirteen thousand, four hundred forty-two".