131323303131212 has 24 divisors (see below), whose sum is σ = 230196711388560. Its totient is φ = 65552899299840.

The previous prime is 131323303131169. The next prime is 131323303131257. The reversal of 131323303131212 is 212131303323131.

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, 4470089 + ... + 16811552.

It is an arithmetic number, because the mean of its divisors is an integer number (9591529641190).

Almost surely, 2^{131323303131212} is an apocalyptic number.

It is an amenable number.

131323303131212 is a deficient number, since it is larger than the sum of its proper divisors (98873408257348).

131323303131212 is a wasteful number, since it uses less digits than its factorization.

131323303131212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21284201 (or 21284199 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 29.

Adding to 131323303131212 its reverse (212131303323131), we get a palindrome (343454606454343).

The spelling of 131323303131212 in words is "one hundred thirty-one trillion, three hundred twenty-three billion, three hundred three million, one hundred thirty-one thousand, two hundred twelve".