341431021 has 8 divisors (see below), whose sum is σ = 356762304. Its totient is φ = 326140320.

The previous prime is 341430961. The next prime is 341431037. The reversal of 341431021 is 120134143.

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

It is a cyclic number.

It is not a de Polignac number, because 341431021 - 2¹¹ = 341428973 is a prime.

It is a super-2 number, since 2×341431021² = 233150284202204882, which 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 341431021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (341431081) 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, 7750 + ... + 27256.

It is an arithmetic number, because the mean of its divisors is an integer number (44595288).

Almost surely, 2^341431021 is an apocalyptic number.

It is an amenable number.

341431021 is a deficient number, since it is larger than the sum of its proper divisors (15331283).

341431021 is a wasteful number, since it uses less digits than its factorization.

341431021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20291.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 341431021 is about 18477.8521749688. The cubic root of 341431021 is about 698.9310357714.

Adding to 341431021 its reverse (120134143), we get a palindrome (461565164).

The spelling of 341431021 in words is "three hundred forty-one million, four hundred thirty-one thousand, twenty-one".