32011146431 has 16 divisors (see below), whose sum is σ = 35046950400. Its totient is φ = 28996476000.

The previous prime is 32011146311. The next prime is 32011146611. The reversal of 32011146431 is 13464111023.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 32011146431 - 2¹⁰ = 32011145407 is a prime.

It is a super-2 number, since 2×32011146431² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 32011146431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32011106431) 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 15 ways as a sum of consecutive naturals, for example, 4047581 + ... + 4055481.

It is an arithmetic number, because the mean of its divisors is an integer number (2190434400).

Almost surely, 2^32011146431 is an apocalyptic number.

32011146431 is a deficient number, since it is larger than the sum of its proper divisors (3035803969).

32011146431 is a wasteful number, since it uses less digits than its factorization.

32011146431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9190.

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 32011146431 its reverse (13464111023), we get a palindrome (45475257454).

The spelling of 32011146431 in words is "thirty-two billion, eleven million, one hundred forty-six thousand, four hundred thirty-one".