31342412 has 6 divisors (see below), whose sum is σ = 54849228. Its totient is φ = 15671204.

The previous prime is 31342379. The next prime is 31342429. The reversal of 31342412 is 21424313.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3917798 + ... + 3917805.

It is an arithmetic number, because the mean of its divisors is an integer number (9141538).

Almost surely, 2^31342412 is an apocalyptic number.

It is an amenable number.

31342412 is a deficient number, since it is larger than the sum of its proper divisors (23506816).

31342412 is a wasteful number, since it uses less digits than its factorization.

31342412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7835607 (or 7835605 counting only the distinct ones).

The product of its digits is 576, while the sum is 20.

The square root of 31342412 is about 5598.4294226149. The cubic root of 31342412 is about 315.2904417861.

Adding to 31342412 its reverse (21424313), we get a palindrome (52766725).

The spelling of 31342412 in words is "thirty-one million, three hundred forty-two thousand, four hundred twelve".