223100131442 has 8 divisors (see below), whose sum is σ = 334678891116. Its totient is φ = 111540501072.

The previous prime is 223100131427. The next prime is 223100131447. The reversal of 223100131442 is 244131001322.

It can be written as a sum of positive squares in 2 ways, for example, as 187340943241 + 35759188201 = 432829^2 + 189101^2 .

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

It is a super-3 number, since 3×223100131442³ (a number of 35 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (223100131447) 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, 4753133 + ... + 4799840.

Almost surely, 2^223100131442 is an apocalyptic number.

223100131442 is a deficient number, since it is larger than the sum of its proper divisors (111578759674).

223100131442 is a wasteful number, since it uses less digits than its factorization.

223100131442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9564652.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 223100131442 its reverse (244131001322), we get a palindrome (467231132764).

The spelling of 223100131442 in words is "two hundred twenty-three billion, one hundred million, one hundred thirty-one thousand, four hundred forty-two".