32131220442131 has 8 divisors (see below), whose sum is σ = 32822253342144. Its totient is φ = 31447423489000.

The previous prime is 32131220442119. The next prime is 32131220442133. The reversal of 32131220442131 is 13124402213123.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 32131220442131 - 2¹⁸ = 32131220179987 is a prime.

It is a super-2 number, since 2×32131220442131² (a number of 28 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 = 32131220442094 and 32131220442103.

It is not an unprimeable number, because it can be changed into a prime (32131220442133) 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, 1808977745 + ... + 1808995506.

It is an arithmetic number, because the mean of its divisors is an integer number (4102781667768).

Almost surely, 2^{32131220442131} is an apocalyptic number.

32131220442131 is a deficient number, since it is larger than the sum of its proper divisors (691032900013).

32131220442131 is a wasteful number, since it uses less digits than its factorization.

32131220442131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3617973441.

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 32131220442131 its reverse (13124402213123), we get a palindrome (45255622655254).

The spelling of 32131220442131 in words is "thirty-two trillion, one hundred thirty-one billion, two hundred twenty million, four hundred forty-two thousand, one hundred thirty-one".