31296667901 has 2 divisors, whose sum is σ = 31296667902. Its totient is φ = 31296667900.

The previous prime is 31296667891. The next prime is 31296667907. The reversal of 31296667901 is 10976669213.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25880443876 + 5416224025 = 160874^2 + 73595^2 .

It is a cyclic number.

It is not a de Polignac number, because 31296667901 - 2¹⁸ = 31296405757 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 31296667901.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31296667907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15648333950 + 15648333951.

It is an arithmetic number, because the mean of its divisors is an integer number (15648333951).

Almost surely, 2^31296667901 is an apocalyptic number.

It is an amenable number.

31296667901 is a deficient number, since it is larger than the sum of its proper divisors (1).

31296667901 is an equidigital number, since it uses as much as digits as its factorization.

31296667901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 734832, while the sum is 50.

The spelling of 31296667901 in words is "thirty-one billion, two hundred ninety-six million, six hundred sixty-seven thousand, nine hundred one".