32120035664431 has 16 divisors (see below), whose sum is σ = 37816928593920. Its totient is φ = 26895660311520.

The previous prime is 32120035664429. The next prime is 32120035664513. The reversal of 32120035664431 is 13446653002123.

It is not a de Polignac number, because 32120035664431 - 2¹ = 32120035664429 is a prime.

It is a super-2 number, since 2×32120035664431² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32120035604431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 242499271 + ... + 242631688.

It is an arithmetic number, because the mean of its divisors is an integer number (2363558037120).

Almost surely, 2^{32120035664431} is an apocalyptic number.

32120035664431 is a deficient number, since it is larger than the sum of its proper divisors (5696892929489).

32120035664431 is a wasteful number, since it uses less digits than its factorization.

32120035664431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485131446.

The product of its (nonzero) digits is 311040, while the sum is 40.

Adding to 32120035664431 its reverse (13446653002123), we get a palindrome (45566688666554).

The spelling of 32120035664431 in words is "thirty-two trillion, one hundred twenty billion, thirty-five million, six hundred sixty-four thousand, four hundred thirty-one".