65530103631 has 4 divisors (see below), whose sum is σ = 87373471512. Its totient is φ = 43686735752.

The previous prime is 65530103629. The next prime is 65530103687. The reversal of 65530103631 is 13630103556.

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 65530103631 - 2¹ = 65530103629 is a prime.

It is a super-2 number, since 2×65530103631² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 65530103592 and 65530103601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65530103131) 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, 10921683936 + ... + 10921683941.

It is an arithmetic number, because the mean of its divisors is an integer number (21843367878).

Almost surely, 2^65530103631 is an apocalyptic number.

65530103631 is a deficient number, since it is larger than the sum of its proper divisors (21843367881).

65530103631 is a wasteful number, since it uses less digits than its factorization.

65530103631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21843367880.

The product of its (nonzero) digits is 24300, while the sum is 33.

The spelling of 65530103631 in words is "sixty-five billion, five hundred thirty million, one hundred three thousand, six hundred thirty-one".