401442231103 has 4 divisors (see below), whose sum is σ = 402453421000. Its totient is φ = 400431041208.

The previous prime is 401442231061. The next prime is 401442231137. The reversal of 401442231103 is 301132244104.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 401442231103 - 2²¹ = 401440133951 is a prime.

It is a super-2 number, since 2×401442231103² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401442231143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 505594353 + ... + 505595146.

It is an arithmetic number, because the mean of its divisors is an integer number (100613355250).

Almost surely, 2^401442231103 is an apocalyptic number.

401442231103 is a deficient number, since it is larger than the sum of its proper divisors (1011189897).

401442231103 is a wasteful number, since it uses less digits than its factorization.

401442231103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1011189896.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 401442231103 its reverse (301132244104), we get a palindrome (702574475207).

The spelling of 401442231103 in words is "four hundred one billion, four hundred forty-two million, two hundred thirty-one thousand, one hundred three".