131323001222 has 32 divisors (see below), whose sum is σ = 228069402624. Its totient is φ = 55546603200.

The previous prime is 131323001219. The next prime is 131323001231. The reversal of 131323001222 is 222100323131.

It is a junction number, because it is equal to n+sod(n) for n = 131323001194 and 131323001203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1094522 + ... + 1208562.

It is an arithmetic number, because the mean of its divisors is an integer number (7127168832).

Almost surely, 2^131323001222 is an apocalyptic number.

131323001222 is a deficient number, since it is larger than the sum of its proper divisors (96746401402).

131323001222 is a wasteful number, since it uses less digits than its factorization.

131323001222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115124.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 131323001222 its reverse (222100323131), we get a palindrome (353423324353).

The spelling of 131323001222 in words is "one hundred thirty-one billion, three hundred twenty-three million, one thousand, two hundred twenty-two".