31320125351363 has 2 divisors, whose sum is σ = 31320125351364. Its totient is φ = 31320125351362.

The previous prime is 31320125351341. The next prime is 31320125351371. The reversal of 31320125351363 is 36315352102313.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31320125351363 is a prime.

It is not a weakly prime, because it can be changed into another prime (31320125351323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15660062675681 + 15660062675682.

It is an arithmetic number, because the mean of its divisors is an integer number (15660062675682).

Almost surely, 2^{31320125351363} is an apocalyptic number.

31320125351363 is a deficient number, since it is larger than the sum of its proper divisors (1).

31320125351363 is an equidigital number, since it uses as much as digits as its factorization.

31320125351363 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145800, while the sum is 38.

Adding to 31320125351363 its reverse (36315352102313), we get a palindrome (67635477453676).

The spelling of 31320125351363 in words is "thirty-one trillion, three hundred twenty billion, one hundred twenty-five million, three hundred fifty-one thousand, three hundred sixty-three".