2813156117 has 2 divisors, whose sum is σ = 2813156118. Its totient is φ = 2813156116.

The previous prime is 2813156113. The next prime is 2813156173. The reversal of 2813156117 is 7116513182.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2358656356 + 454499761 = 48566^2 + 21319^2 .

It is a cyclic number.

It is not a de Polignac number, because 2813156117 - 2² = 2813156113 is a prime.

It is a super-2 number, since 2×2813156117² = 15827694677229035378, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2813156113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1406578058 + 1406578059.

It is an arithmetic number, because the mean of its divisors is an integer number (1406578059).

Almost surely, 2^2813156117 is an apocalyptic number.

It is an amenable number.

2813156117 is a deficient number, since it is larger than the sum of its proper divisors (1).

2813156117 is an equidigital number, since it uses as much as digits as its factorization.

2813156117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10080, while the sum is 35.

The square root of 2813156117 is about 53039.1941586597. The cubic root of 2813156117 is about 1411.6638000735.

Adding to 2813156117 its reverse (7116513182), we get a palindrome (9929669299).

It can be divided in two parts, 28131 and 56117, that added together give a palindrome (84248).

The spelling of 2813156117 in words is "two billion, eight hundred thirteen million, one hundred fifty-six thousand, one hundred seventeen".