31222053 has 24 divisors (see below), whose sum is σ = 47563776. Its totient is φ = 19706400.

The previous prime is 31222021. The next prime is 31222091. The reversal of 31222053 is 35022213.

It is not a de Polignac number, because 31222053 - 2⁵ = 31222021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31222253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11923 + ... + 14303.

It is an arithmetic number, because the mean of its divisors is an integer number (1981824).

Almost surely, 2^31222053 is an apocalyptic number.

It is an amenable number.

31222053 is a deficient number, since it is larger than the sum of its proper divisors (16341723).

31222053 is a wasteful number, since it uses less digits than its factorization.

31222053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2465 (or 2462 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 31222053 is about 5587.6697289657. The cubic root of 31222053 is about 314.8863384331.

Adding to 31222053 its reverse (35022213), we get a palindrome (66244266).

The spelling of 31222053 in words is "thirty-one million, two hundred twenty-two thousand, fifty-three".