131212332049 has 2 divisors, whose sum is σ = 131212332050. Its totient is φ = 131212332048.

The previous prime is 131212332011. The next prime is 131212332061. The reversal of 131212332049 is 940233212131.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 123724545025 + 7487787024 = 351745^2 + 86532^2 .

It is an emirp because it is prime and its reverse (940233212131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 131212332049 - 2¹³ = 131212323857 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 131212332049.

It is not a weakly prime, because it can be changed into another prime (131212332079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65606166024 + 65606166025.

It is an arithmetic number, because the mean of its divisors is an integer number (65606166025).

Almost surely, 2^131212332049 is an apocalyptic number.

It is an amenable number.

131212332049 is a deficient number, since it is larger than the sum of its proper divisors (1).

131212332049 is an equidigital number, since it uses as much as digits as its factorization.

131212332049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 31.

The spelling of 131212332049 in words is "one hundred thirty-one billion, two hundred twelve million, three hundred thirty-two thousand, forty-nine".