31152451411243 has 2 divisors, whose sum is σ = 31152451411244. Its totient is φ = 31152451411242.

The previous prime is 31152451411201. The next prime is 31152451411267. The reversal of 31152451411243 is 34211415425113.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (34211415425113) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31152451411243 is a prime.

It is not a weakly prime, because it can be changed into another prime (31152451711243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15576225705621 + 15576225705622.

It is an arithmetic number, because the mean of its divisors is an integer number (15576225705622).

Almost surely, 2^{31152451411243} is an apocalyptic number.

31152451411243 is a deficient number, since it is larger than the sum of its proper divisors (1).

31152451411243 is an equidigital number, since it uses as much as digits as its factorization.

31152451411243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 57600, while the sum is 37.

Adding to 31152451411243 its reverse (34211415425113), we get a palindrome (65363866836356).

The spelling of 31152451411243 in words is "thirty-one trillion, one hundred fifty-two billion, four hundred fifty-one million, four hundred eleven thousand, two hundred forty-three".