2611612831 has 2 divisors, whose sum is σ = 2611612832. Its totient is φ = 2611612830.

The previous prime is 2611612781. The next prime is 2611612849. The reversal of 2611612831 is 1382161162.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2611612831 - 2⁹ = 2611612319 is a prime.

It is a super-2 number, since 2×2611612831² = 13641043158087669122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2611612793 and 2611612802.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2611612891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1305806415 + 1305806416.

It is an arithmetic number, because the mean of its divisors is an integer number (1305806416).

Almost surely, 2^2611612831 is an apocalyptic number.

2611612831 is a deficient number, since it is larger than the sum of its proper divisors (1).

2611612831 is an equidigital number, since it uses as much as digits as its factorization.

2611612831 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3456, while the sum is 31.

The square root of 2611612831 is about 51103.9414429063. The cubic root of 2611612831 is about 1377.1130628403.

Adding to 2611612831 its reverse (1382161162), we get a palindrome (3993773993).

The spelling of 2611612831 in words is "two billion, six hundred eleven million, six hundred twelve thousand, eight hundred thirty-one".