233131223011012 has 6 divisors (see below), whose sum is σ = 407979640269278. Its totient is φ = 116565611505504.

The previous prime is 233131223011009. The next prime is 233131223011097. The reversal of 233131223011012 is 210110322131332.

It can be written as a sum of positive squares in only one way, i.e., 224644220754496 + 8487002256516 = 14988136^2 + 2913246^2 .

It is a super-2 number, since 2×233131223011012² (a number of 30 digits) contains 22 as substring.

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 as a sum of consecutive naturals, namely, 29141402876373 + ... + 29141402876380.

Almost surely, 2^{233131223011012} is an apocalyptic number.

It is an amenable number.

233131223011012 is a deficient number, since it is larger than the sum of its proper divisors (174848417258266).

233131223011012 is a wasteful number, since it uses less digits than its factorization.

233131223011012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58282805752757 (or 58282805752755 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 233131223011012 its reverse (210110322131332), we get a palindrome (443241545142344).

The spelling of 233131223011012 in words is "two hundred thirty-three trillion, one hundred thirty-one billion, two hundred twenty-three million, eleven thousand, twelve".