32131121331 has 32 divisors (see below), whose sum is σ = 45864797440. Its totient is φ = 19949359104.

The previous prime is 32131121311. The next prime is 32131121339. The reversal of 32131121331 is 13312113123.

It is a happy number.

It is not a de Polignac number, because 32131121331 - 2⁵ = 32131121299 is a prime.

It is a super-2 number, since 2×32131121331² (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 = 32131121298 and 32131121307.

It is not an unprimeable number, because it can be changed into a prime (32131121339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1264851 + ... + 1290003.

It is an arithmetic number, because the mean of its divisors is an integer number (1433274920).

Almost surely, 2^32131121331 is an apocalyptic number.

32131121331 is a deficient number, since it is larger than the sum of its proper divisors (13733676109).

32131121331 is a wasteful number, since it uses less digits than its factorization.

32131121331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25555.

The product of its digits is 324, while the sum is 21.

Adding to 32131121331 its reverse (13312113123), we get a palindrome (45443234454).

The spelling of 32131121331 in words is "thirty-two billion, one hundred thirty-one million, one hundred twenty-one thousand, three hundred thirty-one".