340311121443403 has 16 divisors (see below), whose sum is σ = 371284050730752. Its totient is φ = 309344119812000.

The previous prime is 340311121443373. The next prime is 340311121443431. The reversal of 340311121443403 is 304344121113043.

It is a cyclic number.

It is not a de Polignac number, because 340311121443403 - 2²⁵ = 340311087888971 is a prime.

It is a super-2 number, since 2×340311121443403² (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 (340311121443463) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10121362050 + ... + 10121395672.

It is an arithmetic number, because the mean of its divisors is an integer number (23205253170672).

Almost surely, 2^{340311121443403} is an apocalyptic number.

340311121443403 is a deficient number, since it is larger than the sum of its proper divisors (30972929287349).

340311121443403 is a wasteful number, since it uses less digits than its factorization.

340311121443403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94386.

The product of its (nonzero) digits is 41472, while the sum is 34.

Adding to 340311121443403 its reverse (304344121113043), we get a palindrome (644655242556446).

The spelling of 340311121443403 in words is "three hundred forty trillion, three hundred eleven billion, one hundred twenty-one million, four hundred forty-three thousand, four hundred three".