131211332222 has 8 divisors (see below), whose sum is σ = 197353285536. Its totient is φ = 65426903712.

The previous prime is 131211332171. The next prime is 131211332257. The reversal of 131211332222 is 222233112131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89380283 + ... + 89381750.

It is an arithmetic number, because the mean of its divisors is an integer number (24669160692).

Almost surely, 2^131211332222 is an apocalyptic number.

131211332222 is a deficient number, since it is larger than the sum of its proper divisors (66141953314).

131211332222 is a wasteful number, since it uses less digits than its factorization.

131211332222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178762402.

The product of its digits is 864, while the sum is 23.

Adding to 131211332222 its reverse (222233112131), we get a palindrome (353444444353).

The spelling of 131211332222 in words is "one hundred thirty-one billion, two hundred eleven million, three hundred thirty-two thousand, two hundred twenty-two".