343120412313021 has 8 divisors (see below), whose sum is σ = 522850152096064. Its totient is φ = 196068807036000.

The previous prime is 343120412313011. The next prime is 343120412313031. The reversal of 343120412313021 is 120313214021343.

It is an interprime number because it is at equal distance from previous prime (343120412313011) and next prime (343120412313031).

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

It is not a de Polignac number, because 343120412313021 - 2¹³ = 343120412304829 is a prime.

It is a super-2 number, since 2×343120412313021² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 343120412313021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343120412313011) 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, 8169533626480 + ... + 8169533626521.

It is an arithmetic number, because the mean of its divisors is an integer number (65356269012008).

Almost surely, 2^{343120412313021} is an apocalyptic number.

It is an amenable number.

343120412313021 is a deficient number, since it is larger than the sum of its proper divisors (179729739783043).

343120412313021 is a wasteful number, since it uses less digits than its factorization.

343120412313021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16339067253011.

The product of its (nonzero) digits is 10368, while the sum is 30.

Adding to 343120412313021 its reverse (120313214021343), we get a palindrome (463433626334364).

The spelling of 343120412313021 in words is "three hundred forty-three trillion, one hundred twenty billion, four hundred twelve million, three hundred thirteen thousand, twenty-one".