31434142233251 has 2 divisors, whose sum is σ = 31434142233252. Its totient is φ = 31434142233250.

The previous prime is 31434142233227. The next prime is 31434142233259. The reversal of 31434142233251 is 15233224143413.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31434142233251 is a prime.

It is not a weakly prime, because it can be changed into another prime (31434142233259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15717071116625 + 15717071116626.

It is an arithmetic number, because the mean of its divisors is an integer number (15717071116626).

Almost surely, 2^{31434142233251} is an apocalyptic number.

31434142233251 is a deficient number, since it is larger than the sum of its proper divisors (1).

31434142233251 is an equidigital number, since it uses as much as digits as its factorization.

31434142233251 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 207360, while the sum is 38.

Adding to 31434142233251 its reverse (15233224143413), we get a palindrome (46667366376664).

The spelling of 31434142233251 in words is "thirty-one trillion, four hundred thirty-four billion, one hundred forty-two million, two hundred thirty-three thousand, two hundred fifty-one".