340365891031 has 2 divisors, whose sum is σ = 340365891032. Its totient is φ = 340365891030.

The previous prime is 340365891007. The next prime is 340365891049. The reversal of 340365891031 is 130198563043.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 340365891031 - 2¹⁹ = 340365366743 is a prime.

It is a super-2 number, since 2×340365891031² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (340365891071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170182945515 + 170182945516.

It is an arithmetic number, because the mean of its divisors is an integer number (170182945516).

Almost surely, 2^340365891031 is an apocalyptic number.

340365891031 is a deficient number, since it is larger than the sum of its proper divisors (1).

340365891031 is an equidigital number, since it uses as much as digits as its factorization.

340365891031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 233280, while the sum is 43.

The spelling of 340365891031 in words is "three hundred forty billion, three hundred sixty-five million, eight hundred ninety-one thousand, thirty-one".