131223341331022 has 16 divisors (see below), whose sum is σ = 206960498769600. Its totient is φ = 62310687798240.

The previous prime is 131223341331011. The next prime is 131223341331059. The reversal of 131223341331022 is 220133143322131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18544844022 + ... + 18544851097.

It is an arithmetic number, because the mean of its divisors is an integer number (12935031173100).

Almost surely, 2^{131223341331022} is an apocalyptic number.

131223341331022 is a deficient number, since it is larger than the sum of its proper divisors (75737157438578).

131223341331022 is a wasteful number, since it uses less digits than its factorization.

131223341331022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37089695211.

The product of its (nonzero) digits is 15552, while the sum is 31.

Adding to 131223341331022 its reverse (220133143322131), we get a palindrome (351356484653153).

The spelling of 131223341331022 in words is "one hundred thirty-one trillion, two hundred twenty-three billion, three hundred forty-one million, three hundred thirty-one thousand, twenty-two".