31422043 has 8 divisors (see below), whose sum is σ = 32175360. Its totient is φ = 30676200.

The previous prime is 31422037. The next prime is 31422059. The reversal of 31422043 is 34022413.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 31422043 - 2⁵ = 31422011 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 31422043.

It is not an unprimeable number, because it can be changed into a prime (31422343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7146 + ... + 10672.

It is an arithmetic number, because the mean of its divisors is an integer number (4021920).

Almost surely, 2^31422043 is an apocalyptic number.

31422043 is a deficient number, since it is larger than the sum of its proper divisors (753317).

31422043 is a wasteful number, since it uses less digits than its factorization.

31422043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3737.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 31422043 is about 5605.5368163986. The cubic root of 31422043 is about 315.5572332111.

Adding to 31422043 its reverse (34022413), we get a palindrome (65444456).

The spelling of 31422043 in words is "thirty-one million, four hundred twenty-two thousand, forty-three".