32012240431 has 4 divisors (see below), whose sum is σ = 32041423152. Its totient is φ = 31983057712.

The previous prime is 32012240413. The next prime is 32012240437. The reversal of 32012240431 is 13404221023.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13404221023 = 19 ⋅705485317.

It is a cyclic number.

It is not a de Polignac number, because 32012240431 - 2¹¹ = 32012238383 is a prime.

It is a super-2 number, since 2×32012240431² (a number of 22 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 (32012240437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14589715 + ... + 14591908.

It is an arithmetic number, because the mean of its divisors is an integer number (8010355788).

Almost surely, 2^32012240431 is an apocalyptic number.

32012240431 is a deficient number, since it is larger than the sum of its proper divisors (29182721).

32012240431 is a wasteful number, since it uses less digits than its factorization.

32012240431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29182720.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 32012240431 its reverse (13404221023), we get a palindrome (45416461454).

The spelling of 32012240431 in words is "thirty-two billion, twelve million, two hundred forty thousand, four hundred thirty-one".