30331342 has 32 divisors (see below), whose sum is σ = 49641984. Its totient is φ = 13860000.

The previous prime is 30331313. The next prime is 30331351. The reversal of 30331342 is 24313303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120717 + ... + 120967.

It is an arithmetic number, because the mean of its divisors is an integer number (1551312).

Almost surely, 2^30331342 is an apocalyptic number.

30331342 is a deficient number, since it is larger than the sum of its proper divisors (19310642).

30331342 is a wasteful number, since it uses less digits than its factorization.

30331342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384.

The product of its (nonzero) digits is 648, while the sum is 19.

The square root of 30331342 is about 5507.3897628550. The cubic root of 30331342 is about 311.8630165154.

Adding to 30331342 its reverse (24313303), we get a palindrome (54644645).

The spelling of 30331342 in words is "thirty million, three hundred thirty-one thousand, three hundred forty-two".