53100213531 has 4 divisors (see below), whose sum is σ = 70800284712. Its totient is φ = 35400142352.

The previous prime is 53100213527. The next prime is 53100213571. The reversal of 53100213531 is 13531200135.

53100213531 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 53100213531 - 2² = 53100213527 is a prime.

It is a super-2 number, since 2×53100213531² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (53100213571) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8850035586 + ... + 8850035591.

It is an arithmetic number, because the mean of its divisors is an integer number (17700071178).

Almost surely, 2^53100213531 is an apocalyptic number.

53100213531 is a deficient number, since it is larger than the sum of its proper divisors (17700071181).

53100213531 is a wasteful number, since it uses less digits than its factorization.

53100213531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17700071180.

The product of its (nonzero) digits is 1350, while the sum is 24.

Adding to 53100213531 its reverse (13531200135), we get a palindrome (66631413666).

The spelling of 53100213531 in words is "fifty-three billion, one hundred million, two hundred thirteen thousand, five hundred thirty-one".