31412442 has 16 divisors (see below), whose sum is σ = 62932032. Its totient is φ = 10452960.

The previous prime is 31412431. The next prime is 31412473. The reversal of 31412442 is 24421413.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 363 + ... + 7934.

It is an arithmetic number, because the mean of its divisors is an integer number (3933252).

Almost surely, 2^31412442 is an apocalyptic number.

31412442 is an abundant number, since it is smaller than the sum of its proper divisors (31519590).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31412442 is a wasteful number, since it uses less digits than its factorization.

31412442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8933.

The product of its digits is 768, while the sum is 21.

The square root of 31412442 is about 5604.6803655516. The cubic root of 31412442 is about 315.5250904505.

Adding to 31412442 its reverse (24421413), we get a palindrome (55833855).

The spelling of 31412442 in words is "thirty-one million, four hundred twelve thousand, four hundred forty-two".