32130015631 has 8 divisors (see below), whose sum is σ = 36733584384. Its totient is φ = 27529838520.

The previous prime is 32130015611. The next prime is 32130015641. The reversal of 32130015631 is 13651003123.

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

It is a cyclic number.

It is not a de Polignac number, because 32130015631 - 2²¹ = 32127918479 is a prime.

It is a super-2 number, since 2×32130015631² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 32130015596 and 32130015605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32130015611) 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 7 ways as a sum of consecutive naturals, for example, 827575 + ... + 865528.

It is an arithmetic number, because the mean of its divisors is an integer number (4591698048).

Almost surely, 2^32130015631 is an apocalyptic number.

32130015631 is a deficient number, since it is larger than the sum of its proper divisors (4603568753).

32130015631 is a wasteful number, since it uses less digits than its factorization.

32130015631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1695821.

The product of its (nonzero) digits is 1620, while the sum is 25.

Adding to 32130015631 its reverse (13651003123), we get a palindrome (45781018754).

The spelling of 32130015631 in words is "thirty-two billion, one hundred thirty million, fifteen thousand, six hundred thirty-one".