31005053 has 16 divisors (see below), whose sum is σ = 33094656. Its totient is φ = 29003520.

The previous prime is 31005047. The next prime is 31005067. The reversal of 31005053 is 35050013.

It is a cyclic number.

It is not a de Polignac number, because 31005053 - 2¹⁴ = 30988669 is a prime.

It is a super-2 number, since 2×31005053² = 1922626623065618, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31005083) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 185576 + ... + 185742.

It is an arithmetic number, because the mean of its divisors is an integer number (2068416).

Almost surely, 2^31005053 is an apocalyptic number.

It is an amenable number.

31005053 is a deficient number, since it is larger than the sum of its proper divisors (2089603).

31005053 is a wasteful number, since it uses less digits than its factorization.

31005053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364.

The product of its (nonzero) digits is 225, while the sum is 17.

The square root of 31005053 is about 5568.2181171359. The cubic root of 31005053 is about 314.1551324801.

Adding to 31005053 its reverse (35050013), we get a palindrome (66055066).

The spelling of 31005053 in words is "thirty-one million, five thousand, fifty-three".