32131231001 has 8 divisors (see below), whose sum is σ = 33206206824. Its totient is φ = 31070126080.

The previous prime is 32131230913. The next prime is 32131231009. The reversal of 32131231001 is 10013213123.

It can be written as a sum of positive squares in 4 ways, for example, as 90231001 + 32041000000 = 9499^2 + 179000^2 .

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-32131231001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32131231009) 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, 3463016 + ... + 3472281.

It is an arithmetic number, because the mean of its divisors is an integer number (4150775853).

Almost surely, 2^32131231001 is an apocalyptic number.

It is an amenable number.

32131231001 is a deficient number, since it is larger than the sum of its proper divisors (1074975823).

32131231001 is a wasteful number, since it uses less digits than its factorization.

32131231001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6935451.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 32131231001 its reverse (10013213123), we get a palindrome (42144444124).

It can be divided in two parts, 3213123 and 1001, that multiplied together give a palindrome (3216336123).

The spelling of 32131231001 in words is "thirty-two billion, one hundred thirty-one million, two hundred thirty-one thousand, one".