31794353604311 has 2 divisors, whose sum is σ = 31794353604312. Its totient is φ = 31794353604310.

The previous prime is 31794353604263. The next prime is 31794353604317. The reversal of 31794353604311 is 11340635349713.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31794353604311 is a prime.

It is a super-2 number, since 2×31794353604311² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 31794353604311.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31794353604317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15897176802155 + 15897176802156.

It is an arithmetic number, because the mean of its divisors is an integer number (15897176802156).

Almost surely, 2^{31794353604311} is an apocalyptic number.

31794353604311 is a deficient number, since it is larger than the sum of its proper divisors (1).

31794353604311 is an equidigital number, since it uses as much as digits as its factorization.

31794353604311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2449440, while the sum is 50.

The spelling of 31794353604311 in words is "thirty-one trillion, seven hundred ninety-four billion, three hundred fifty-three million, six hundred four thousand, three hundred eleven".