231002422144442 has 8 divisors (see below), whose sum is σ = 373157758848756. Its totient is φ = 106616502528192.

The previous prime is 231002422144409. The next prime is 231002422144457. The reversal of 231002422144442 is 244441224200132.

It can be written as a sum of positive squares in 2 ways, for example, as 230678047471921 + 324374672521 = 15188089^2 + 569539^2 .

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

It is a super-3 number, since 3×231002422144442³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4442354271983 + ... + 4442354272034.

Almost surely, 2^{231002422144442} is an apocalyptic number.

231002422144442 is a deficient number, since it is larger than the sum of its proper divisors (142155336704314).

231002422144442 is a wasteful number, since it uses less digits than its factorization.

231002422144442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8884708544032.

The product of its (nonzero) digits is 98304, while the sum is 35.

Adding to 231002422144442 its reverse (244441224200132), we get a palindrome (475443646344574).

The spelling of 231002422144442 in words is "two hundred thirty-one trillion, two billion, four hundred twenty-two million, one hundred forty-four thousand, four hundred forty-two".