340214421030397 has 4 divisors (see below), whose sum is σ = 342811477679616. Its totient is φ = 337617364381180.

The previous prime is 340214421030377. The next prime is 340214421030403. The reversal of 340214421030397 is 793030124412043.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-340214421030397 is a prime.

It is a super-2 number, since 2×340214421030397² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340214421030377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1298528324413 + ... + 1298528324674.

It is an arithmetic number, because the mean of its divisors is an integer number (85702869419904).

Almost surely, 2^{340214421030397} is an apocalyptic number.

It is an amenable number.

340214421030397 is a deficient number, since it is larger than the sum of its proper divisors (2597056649219).

340214421030397 is a wasteful number, since it uses less digits than its factorization.

340214421030397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2597056649218.

The product of its (nonzero) digits is 435456, while the sum is 43.

The spelling of 340214421030397 in words is "three hundred forty trillion, two hundred fourteen billion, four hundred twenty-one million, thirty thousand, three hundred ninety-seven".