3241220147381 has 2 divisors, whose sum is σ = 3241220147382. Its totient is φ = 3241220147380.

The previous prime is 3241220147377. The next prime is 3241220147393. The reversal of 3241220147381 is 1837410221423.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3159829763281 + 81390384100 = 1777591^2 + 285290^2 .

It is a cyclic number.

It is not a de Polignac number, because 3241220147381 - 2² = 3241220147377 is a prime.

It is a super-2 number, since 2×3241220147381² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3241220149381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1620610073690 + 1620610073691.

It is an arithmetic number, because the mean of its divisors is an integer number (1620610073691).

Almost surely, 2^{3241220147381} is an apocalyptic number.

It is an amenable number.

3241220147381 is a deficient number, since it is larger than the sum of its proper divisors (1).

3241220147381 is an equidigital number, since it uses as much as digits as its factorization.

3241220147381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64512, while the sum is 38.

The spelling of 3241220147381 in words is "three trillion, two hundred forty-one billion, two hundred twenty million, one hundred forty-seven thousand, three hundred eighty-one".