343618691631 has 8 divisors (see below), whose sum is σ = 458388841344. Its totient is φ = 228963834840.

The previous prime is 343618691597. The next prime is 343618691641. The reversal of 343618691631 is 136196816343.

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

It is not a de Polignac number, because 343618691631 - 2¹⁰ = 343618690607 is a prime.

It is a super-2 number, since 2×343618691631² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343618691641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28816275 + ... + 28828196.

It is an arithmetic number, because the mean of its divisors is an integer number (57298605168).

Almost surely, 2^343618691631 is an apocalyptic number.

343618691631 is a deficient number, since it is larger than the sum of its proper divisors (114770149713).

343618691631 is a wasteful number, since it uses less digits than its factorization.

343618691631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57646461.

The product of its digits is 1679616, while the sum is 51.

The spelling of 343618691631 in words is "three hundred forty-three billion, six hundred eighteen million, six hundred ninety-one thousand, six hundred thirty-one".