342423031 has 4 divisors (see below), whose sum is σ = 342900000. Its totient is φ = 341946064.

The previous prime is 342423017. The next prime is 342423043. The reversal of 342423031 is 130324243.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 342423031 - 2⁵ = 342422999 is a prime.

It is a super-2 number, since 2×342423031² = 234507064318453922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 342422993 and 342423011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342420031) 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, 237406 + ... + 238843.

It is an arithmetic number, because the mean of its divisors is an integer number (85725000).

Almost surely, 2^342423031 is an apocalyptic number.

342423031 is a deficient number, since it is larger than the sum of its proper divisors (476969).

342423031 is an equidigital number, since it uses as much as digits as its factorization.

342423031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476968.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 342423031 is about 18504.6759225878. The cubic root of 342423031 is about 699.6072838000.

Adding to 342423031 its reverse (130324243), we get a palindrome (472747274).

It can be divided in two parts, 34242 and 3031, that added together give a palindrome (37273).

The spelling of 342423031 in words is "three hundred forty-two million, four hundred twenty-three thousand, thirty-one".