32331313231381 has 2 divisors, whose sum is σ = 32331313231382. Its totient is φ = 32331313231380.

The previous prime is 32331313231339. The next prime is 32331313231423. The reversal of 32331313231381 is 18313231313323.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (32331313231339) and next prime (32331313231423).

It can be written as a sum of positive squares in only one way, i.e., 17305882881156 + 15025430350225 = 4160034^2 + 3876265^2 .

It is an emirp because it is prime and its reverse (18313231313323) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 32331313231381 - 2⁷ = 32331313231253 is a prime.

It is a super-3 number, since 3×32331313231381³ (a number of 42 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 32331313231381.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32331313231981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16165656615690 + 16165656615691.

It is an arithmetic number, because the mean of its divisors is an integer number (16165656615691).

Almost surely, 2^{32331313231381} is an apocalyptic number.

It is an amenable number.

32331313231381 is a deficient number, since it is larger than the sum of its proper divisors (1).

32331313231381 is an equidigital number, since it uses as much as digits as its factorization.

32331313231381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69984, while the sum is 37.

The spelling of 32331313231381 in words is "thirty-two trillion, three hundred thirty-one billion, three hundred thirteen million, two hundred thirty-one thousand, three hundred eighty-one".