342531401 has 4 divisors (see below), whose sum is σ = 342839172. Its totient is φ = 342223632.

The previous prime is 342531391. The next prime is 342531407. The reversal of 342531401 is 104135243.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 95570176 + 246961225 = 9776^2 + 15715^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-342531401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (342531407) 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, 152210 + ... + 154443.

It is an arithmetic number, because the mean of its divisors is an integer number (85709793).

Almost surely, 2^342531401 is an apocalyptic number.

It is an amenable number.

342531401 is a deficient number, since it is larger than the sum of its proper divisors (307771).

342531401 is a wasteful number, since it uses less digits than its factorization.

342531401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307770.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 342531401 is about 18507.6038697612. The cubic root of 342531401 is about 699.6810798921.

Adding to 342531401 its reverse (104135243), we get a palindrome (446666644).

The spelling of 342531401 in words is "three hundred forty-two million, five hundred thirty-one thousand, four hundred one".