2513215321231 has 2 divisors, whose sum is σ = 2513215321232. Its totient is φ = 2513215321230.

The previous prime is 2513215321217. The next prime is 2513215321237. The reversal of 2513215321231 is 1321235123152.

It is a happy number.

2513215321231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2513215321231 - 2¹¹ = 2513215319183 is a prime.

It is a super-2 number, since 2×2513215321231² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2513215321193 and 2513215321202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2513215321237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1256607660615 + 1256607660616.

It is an arithmetic number, because the mean of its divisors is an integer number (1256607660616).

Almost surely, 2^{2513215321231} is an apocalyptic number.

2513215321231 is a deficient number, since it is larger than the sum of its proper divisors (1).

2513215321231 is an equidigital number, since it uses as much as digits as its factorization.

2513215321231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10800, while the sum is 31.

The spelling of 2513215321231 in words is "two trillion, five hundred thirteen billion, two hundred fifteen million, three hundred twenty-one thousand, two hundred thirty-one".