34231322381 has 2 divisors, whose sum is σ = 34231322382. Its totient is φ = 34231322380.

The previous prime is 34231322369. The next prime is 34231322401. The reversal of 34231322381 is 18322313243.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17478162025 + 16753160356 = 132205^2 + 129434^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34231322381 is a prime.

It is a super-2 number, since 2×34231322381² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34231322351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17115661190 + 17115661191.

It is an arithmetic number, because the mean of its divisors is an integer number (17115661191).

Almost surely, 2^34231322381 is an apocalyptic number.

It is an amenable number.

34231322381 is a deficient number, since it is larger than the sum of its proper divisors (1).

34231322381 is an equidigital number, since it uses as much as digits as its factorization.

34231322381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20736, while the sum is 32.

The spelling of 34231322381 in words is "thirty-four billion, two hundred thirty-one million, three hundred twenty-two thousand, three hundred eighty-one".