331434542 has 4 divisors (see below), whose sum is σ = 497151816. Its totient is φ = 165717270.

The previous prime is 331434541. The next prime is 331434559. The reversal of 331434542 is 245434133.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331434541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82858634 + ... + 82858637.

It is an arithmetic number, because the mean of its divisors is an integer number (124287954).

Almost surely, 2^331434542 is an apocalyptic number.

331434542 is a deficient number, since it is larger than the sum of its proper divisors (165717274).

331434542 is a wasteful number, since it uses less digits than its factorization.

331434542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165717273.

The product of its digits is 17280, while the sum is 29.

The square root of 331434542 is about 18205.3437759357. The cubic root of 331434542 is about 692.0422181801.

Adding to 331434542 its reverse (245434133), we get a palindrome (576868675).

The spelling of 331434542 in words is "three hundred thirty-one million, four hundred thirty-four thousand, five hundred forty-two".