131101130212 has 24 divisors (see below), whose sum is σ = 255595044600. Its totient is φ = 58421723136.

The previous prime is 131101130201. The next prime is 131101130231. The reversal of 131101130212 is 212031101131.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 387066276 + 130714063936 = 19674^2 + 361544^2 .

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, 43467037 + ... + 43470052.

It is an arithmetic number, because the mean of its divisors is an integer number (10649793525).

Almost surely, 2^131101130212 is an apocalyptic number.

It is an amenable number.

131101130212 is a deficient number, since it is larger than the sum of its proper divisors (124493914388).

131101130212 is a wasteful number, since it uses less digits than its factorization.

131101130212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86937135 (or 86937133 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 131101130212 its reverse (212031101131), we get a palindrome (343132231343).

The spelling of 131101130212 in words is "one hundred thirty-one billion, one hundred one million, one hundred thirty thousand, two hundred twelve".