31230115353223 has 2 divisors, whose sum is σ = 31230115353224. Its totient is φ = 31230115353222.

The previous prime is 31230115353181. The next prime is 31230115353253. The reversal of 31230115353223 is 32235351103213.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31230115353223 is a prime.

It is a super-2 number, since 2×31230115353223² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31230115353253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15615057676611 + 15615057676612.

It is an arithmetic number, because the mean of its divisors is an integer number (15615057676612).

Almost surely, 2^{31230115353223} is an apocalyptic number.

31230115353223 is a deficient number, since it is larger than the sum of its proper divisors (1).

31230115353223 is an equidigital number, since it uses as much as digits as its factorization.

31230115353223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48600, while the sum is 34.

Adding to 31230115353223 its reverse (32235351103213), we get a palindrome (63465466456436).

The spelling of 31230115353223 in words is "thirty-one trillion, two hundred thirty billion, one hundred fifteen million, three hundred fifty-three thousand, two hundred twenty-three".