131367217651 has 2 divisors, whose sum is σ = 131367217652. Its totient is φ = 131367217650.

The previous prime is 131367217627. The next prime is 131367217669. The reversal of 131367217651 is 156712763131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131367217651 - 2¹⁷ = 131367086579 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131367217598 and 131367217607.

It is not a weakly prime, because it can be changed into another prime (131367287651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65683608825 + 65683608826.

It is an arithmetic number, because the mean of its divisors is an integer number (65683608826).

Almost surely, 2^131367217651 is an apocalyptic number.

131367217651 is a deficient number, since it is larger than the sum of its proper divisors (1).

131367217651 is an equidigital number, since it uses as much as digits as its factorization.

131367217651 is an evil number, because the sum of its binary digits is even.

The product of its digits is 158760, while the sum is 43.

The spelling of 131367217651 in words is "one hundred thirty-one billion, three hundred sixty-seven million, two hundred seventeen thousand, six hundred fifty-one".