231520002222332 has 12 divisors (see below), whose sum is σ = 405173059885776. Its totient is φ = 115756270826400.

The previous prime is 231520002222331. The next prime is 231520002222337. The reversal of 231520002222332 is 233222200025132.

It is a super-2 number, since 2×231520002222332² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 231520002222295 and 231520002222304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231520002222331) 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, 932431544 + ... + 932679807.

It is an arithmetic number, because the mean of its divisors is an integer number (33764421657148).

Almost surely, 2^{231520002222332} is an apocalyptic number.

It is an amenable number.

231520002222332 is a deficient number, since it is larger than the sum of its proper divisors (173653057663444).

231520002222332 is a wasteful number, since it uses less digits than its factorization.

231520002222332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1865142388 (or 1865142386 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 29.

Adding to 231520002222332 its reverse (233222200025132), we get a palindrome (464742202247464).

The spelling of 231520002222332 in words is "two hundred thirty-one trillion, five hundred twenty billion, two million, two hundred twenty-two thousand, three hundred thirty-two".