131303331212 has 12 divisors (see below), whose sum is σ = 231458062920. Its totient is φ = 65172456096.

The previous prime is 131303331161. The next prime is 131303331221. The reversal of 131303331212 is 212133303131.

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, 119801762 + ... + 119802857.

It is an arithmetic number, because the mean of its divisors is an integer number (19288171910).

Almost surely, 2^131303331212 is an apocalyptic number.

It is an amenable number.

131303331212 is a deficient number, since it is larger than the sum of its proper divisors (100154731708).

131303331212 is a wasteful number, since it uses less digits than its factorization.

131303331212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239604760 (or 239604758 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 131303331212 its reverse (212133303131), we get a palindrome (343436634343).

The spelling of 131303331212 in words is "one hundred thirty-one billion, three hundred three million, three hundred thirty-one thousand, two hundred twelve".