342031013 has 4 divisors (see below), whose sum is σ = 343266060. Its totient is φ = 340795968.

The previous prime is 342031003. The next prime is 342031037. The reversal of 342031013 is 310130243.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 310130243 = 97 ⋅3197219.

It can be written as a sum of positive squares in 2 ways, for example, as 33431524 + 308599489 = 5782^2 + 17567^2 .

It is a cyclic number.

It is not a de Polignac number, because 342031013 - 2²⁶ = 274922149 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 342030982 and 342031000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342031003) 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, 617108 + ... + 617661.

It is an arithmetic number, because the mean of its divisors is an integer number (85816515).

Almost surely, 2^342031013 is an apocalyptic number.

It is an amenable number.

342031013 is a deficient number, since it is larger than the sum of its proper divisors (1235047).

342031013 is a wasteful number, since it uses less digits than its factorization.

342031013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1235046.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 342031013 is about 18494.0804853878. The cubic root of 342031013 is about 699.3402034634.

Adding to 342031013 its reverse (310130243), we get a palindrome (652161256).

The spelling of 342031013 in words is "three hundred forty-two million, thirty-one thousand, thirteen".