32130420431 has 8 divisors (see below), whose sum is σ = 32917230528. Its totient is φ = 31343760000.

The previous prime is 32130420419. The next prime is 32130420433. The reversal of 32130420431 is 13402403123.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32130420431 is a prime.

It is a super-2 number, since 2×32130420431² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 32130420397 and 32130420406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32130420433) 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, 485546 + ... + 547736.

It is an arithmetic number, because the mean of its divisors is an integer number (4114653816).

Almost surely, 2^32130420431 is an apocalyptic number.

32130420431 is a deficient number, since it is larger than the sum of its proper divisors (786810097).

32130420431 is a wasteful number, since it uses less digits than its factorization.

32130420431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74833.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 32130420431 its reverse (13402403123), we get a palindrome (45532823554).

The spelling of 32130420431 in words is "thirty-two billion, one hundred thirty million, four hundred twenty thousand, four hundred thirty-one".