341213431021 has 4 divisors (see below), whose sum is σ = 341218599100. Its totient is φ = 341208262944.

The previous prime is 341213430959. The next prime is 341213431067. The reversal of 341213431021 is 120134312143.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 120134312143 = 241 ⋅498482623.

It can be written as a sum of positive squares in 2 ways, for example, as 117213793225 + 223999637796 = 342365^2 + 473286^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-341213431021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (341213431081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2483706 + ... + 2617483.

It is an arithmetic number, because the mean of its divisors is an integer number (85304649775).

Almost surely, 2^341213431021 is an apocalyptic number.

It is an amenable number.

341213431021 is a deficient number, since it is larger than the sum of its proper divisors (5168079).

341213431021 is an equidigital number, since it uses as much as digits as its factorization.

341213431021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5168078.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 341213431021 its reverse (120134312143), we get a palindrome (461347743164).

The spelling of 341213431021 in words is "three hundred forty-one billion, two hundred thirteen million, four hundred thirty-one thousand, twenty-one".