31322041 has 4 divisors (see below), whose sum is σ = 33164532. Its totient is φ = 29479552.

The previous prime is 31322033. The next prime is 31322087. The reversal of 31322041 is 14022313.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14022313 = 151 ⋅92863.

It can be written as a sum of positive squares in 2 ways, for example, as 29116816 + 2205225 = 5396^2 + 1485^2 .

It is a cyclic number.

It is not a de Polignac number, because 31322041 - 2³ = 31322033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31322441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 921220 + ... + 921253.

It is an arithmetic number, because the mean of its divisors is an integer number (8291133).

Almost surely, 2^31322041 is an apocalyptic number.

It is an amenable number.

31322041 is a deficient number, since it is larger than the sum of its proper divisors (1842491).

31322041 is a wasteful number, since it uses less digits than its factorization.

31322041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1842490.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 31322041 is about 5596.6097773563. The cubic root of 31322041 is about 315.2221193099. Note that the first 3 decimals are identical.

Adding to 31322041 its reverse (14022313), we get a palindrome (45344354).

The spelling of 31322041 in words is "thirty-one million, three hundred twenty-two thousand, forty-one".