31003342 has 12 divisors (see below), whose sum is σ = 49402440. Its totient is φ = 14589536.

The previous prime is 31003321. The next prime is 31003351. The reversal of 31003342 is 24330013.

It is a super-2 number, since 2×31003342² = 1922414430337928, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 in 5 ways as a sum of consecutive naturals, for example, 26242 + ... + 27397.

It is an arithmetic number, because the mean of its divisors is an integer number (4116870).

Almost surely, 2^31003342 is an apocalyptic number.

31003342 is a deficient number, since it is larger than the sum of its proper divisors (18399098).

31003342 is a wasteful number, since it uses less digits than its factorization.

31003342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53675 (or 53658 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 31003342 is about 5568.0644752014. The cubic root of 31003342 is about 314.1493535369.

Adding to 31003342 its reverse (24330013), we get a palindrome (55333355).

The spelling of 31003342 in words is "thirty-one million, three thousand, three hundred forty-two".