31442324 has 6 divisors (see below), whose sum is σ = 55024074. Its totient is φ = 15721160.

The previous prime is 31442273. The next prime is 31442347. The reversal of 31442324 is 42324413.

It can be written as a sum of positive squares in only one way, i.e., 20340100 + 11102224 = 4510^2 + 3332^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 31442324.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3930287 + ... + 3930294.

It is an arithmetic number, because the mean of its divisors is an integer number (9170679).

Almost surely, 2^31442324 is an apocalyptic number.

It is an amenable number.

31442324 is a deficient number, since it is larger than the sum of its proper divisors (23581750).

31442324 is a wasteful number, since it uses less digits than its factorization.

31442324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7860585 (or 7860583 counting only the distinct ones).

The product of its digits is 2304, while the sum is 23.

The square root of 31442324 is about 5607.3455395579. The cubic root of 31442324 is about 315.6251095513.

Adding to 31442324 its reverse (42324413), we get a palindrome (73766737).

The spelling of 31442324 in words is "thirty-one million, four hundred forty-two thousand, three hundred twenty-four".