53113031 has 4 divisors (see below), whose sum is σ = 53155464. Its totient is φ = 53070600.

The previous prime is 53113009. The next prime is 53113057. The reversal of 53113031 is 13031135.

53113031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 53113031 - 2¹⁴ = 53096647 is a prime.

It is a super-2 number, since 2×53113031² = 5641988124013922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53113001) 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 3 ways as a sum of consecutive naturals, for example, 19280 + ... + 21861.

It is an arithmetic number, because the mean of its divisors is an integer number (13288866).

Almost surely, 2^53113031 is an apocalyptic number.

53113031 is a deficient number, since it is larger than the sum of its proper divisors (42433).

53113031 is a wasteful number, since it uses less digits than its factorization.

53113031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42432.

The product of its (nonzero) digits is 135, while the sum is 17.

The square root of 53113031 is about 7287.8687556789. The cubic root of 53113031 is about 375.8954152122.

Adding to 53113031 its reverse (13031135), we get a palindrome (66144166).

The spelling of 53113031 in words is "fifty-three million, one hundred thirteen thousand, thirty-one".