32131432031 has 4 divisors (see below), whose sum is σ = 32133459864. Its totient is φ = 32129404200.

The previous prime is 32131432027. The next prime is 32131432043. The reversal of 32131432031 is 13023413123.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 32131432031 - 2² = 32131432027 is a prime.

It is a super-2 number, since 2×32131432031² (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 = 32131431988 and 32131432006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32131432631) 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, 989960 + ... + 1021901.

It is an arithmetic number, because the mean of its divisors is an integer number (8033364966).

Almost surely, 2^32131432031 is an apocalyptic number.

32131432031 is a deficient number, since it is larger than the sum of its proper divisors (2027833).

32131432031 is a wasteful number, since it uses less digits than its factorization.

32131432031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2027832.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 32131432031 its reverse (13023413123), we get a palindrome (45154845154).

The spelling of 32131432031 in words is "thirty-two billion, one hundred thirty-one million, four hundred thirty-two thousand, thirty-one".