65032070631 has 8 divisors (see below), whose sum is σ = 94592102784. Its totient is φ = 39413376120.

The previous prime is 65032070629. The next prime is 65032070641. The reversal of 65032070631 is 13607023056.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 65032070631 - 2¹ = 65032070629 is a prime.

It is a super-2 number, since 2×65032070631² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 1970668807 = 65032070631 / (6 + 5 + 0 + 3 + 2 + 0 + 7 + 0 + 6 + 3 + 1).

It is a junction number, because it is equal to n+sod(n) for n = 65032070592 and 65032070601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65032070641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 985334371 + ... + 985334436.

It is an arithmetic number, because the mean of its divisors is an integer number (11824012848).

Almost surely, 2^65032070631 is an apocalyptic number.

65032070631 is a deficient number, since it is larger than the sum of its proper divisors (29560032153).

65032070631 is a wasteful number, since it uses less digits than its factorization.

65032070631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1970668821.

The product of its (nonzero) digits is 22680, while the sum is 33.

Adding to 65032070631 its reverse (13607023056), we get a palindrome (78639093687).

The spelling of 65032070631 in words is "sixty-five billion, thirty-two million, seventy thousand, six hundred thirty-one".