231220233122332 has 12 divisors (see below), whose sum is σ = 405383347723816. Its totient is φ = 115396419486960.

The previous prime is 231220233122323. The next prime is 231220233122393. The reversal of 231220233122332 is 233221332022132.

It is a super-2 number, since 2×231220233122332² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 231220233122294 and 231220233122303.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53424266118 + ... + 53424270445.

Almost surely, 2^{231220233122332} is an apocalyptic number.

It is an amenable number.

231220233122332 is a deficient number, since it is larger than the sum of its proper divisors (174163114601484).

231220233122332 is a wasteful number, since it uses less digits than its factorization.

231220233122332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106848537108 (or 106848537106 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 31.

Adding to 231220233122332 its reverse (233221332022132), we get a palindrome (464441565144464).

The spelling of 231220233122332 in words is "two hundred thirty-one trillion, two hundred twenty billion, two hundred thirty-three million, one hundred twenty-two thousand, three hundred thirty-two".