131132331212 has 6 divisors (see below), whose sum is σ = 229481579628. Its totient is φ = 65566165604.

The previous prime is 131132331203. The next prime is 131132331221. The reversal of 131132331212 is 212133231131.

It is an interprime number because it is at equal distance from previous prime (131132331203) and next prime (131132331221).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16391541398 + ... + 16391541405.

It is an arithmetic number, because the mean of its divisors is an integer number (38246929938).

Almost surely, 2^131132331212 is an apocalyptic number.

It is an amenable number.

131132331212 is a deficient number, since it is larger than the sum of its proper divisors (98349248416).

131132331212 is a wasteful number, since it uses less digits than its factorization.

131132331212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32783082807 (or 32783082805 counting only the distinct ones).

The product of its digits is 648, while the sum is 23.

Adding to 131132331212 its reverse (212133231131), we get a palindrome (343265562343).

The spelling of 131132331212 in words is "one hundred thirty-one billion, one hundred thirty-two million, three hundred thirty-one thousand, two hundred twelve".