345531511434205 has 16 divisors (see below), whose sum is σ = 421676305660800. Its totient is φ = 271733119685440.

The previous prime is 345531511434139. The next prime is 345531511434271. The reversal of 345531511434205 is 502434115135543.

It is an interprime number because it is at equal distance from previous prime (345531511434139) and next prime (345531511434271).

It is not a de Polignac number, because 345531511434205 - 2¹⁷ = 345531511303133 is a prime.

It is a super-2 number, since 2×345531511434205² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 3280825 + ... + 26492014.

It is an arithmetic number, because the mean of its divisors is an integer number (26354769103800).

Almost surely, 2^{345531511434205} is an apocalyptic number.

It is an amenable number.

345531511434205 is a deficient number, since it is larger than the sum of its proper divisors (76144794226595).

345531511434205 is a wasteful number, since it uses less digits than its factorization.

345531511434205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29812244.

The product of its (nonzero) digits is 2160000, while the sum is 46.

Adding to 345531511434205 its reverse (502434115135543), we get a palindrome (847965626569748).

The spelling of 345531511434205 in words is "three hundred forty-five trillion, five hundred thirty-one billion, five hundred eleven million, four hundred thirty-four thousand, two hundred five".