340220344231403 has 8 divisors (see below), whose sum is σ = 346655635653168. Its totient is φ = 333785646870624.

The previous prime is 340220344231399. The next prime is 340220344231441. The reversal of 340220344231403 is 304132443022043.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 340220344231403 - 2² = 340220344231399 is a prime.

It is a super-2 number, since 2×340220344231403² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (340220344236403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147358925 + ... + 149649902.

It is an arithmetic number, because the mean of its divisors is an integer number (43331954456646).

Almost surely, 2^{340220344231403} is an apocalyptic number.

340220344231403 is a deficient number, since it is larger than the sum of its proper divisors (6435291421765).

340220344231403 is a wasteful number, since it uses less digits than its factorization.

340220344231403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297030493.

The product of its (nonzero) digits is 165888, while the sum is 35.

Adding to 340220344231403 its reverse (304132443022043), we get a palindrome (644352787253446).

The spelling of 340220344231403 in words is "three hundred forty trillion, two hundred twenty billion, three hundred forty-four million, two hundred thirty-one thousand, four hundred three".