2867481931 has 2 divisors, whose sum is σ = 2867481932. Its totient is φ = 2867481930.

The previous prime is 2867481917. The next prime is 2867481977. The reversal of 2867481931 is 1391847682.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2867481931 is a prime.

It is a super-2 number, since 2×2867481931² = 16444905249222977522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2867481031) 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, 1433740965 + 1433740966.

It is an arithmetic number, because the mean of its divisors is an integer number (1433740966).

Almost surely, 2^2867481931 is an apocalyptic number.

2867481931 is a deficient number, since it is larger than the sum of its proper divisors (1).

2867481931 is an equidigital number, since it uses as much as digits as its factorization.

2867481931 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 580608, while the sum is 49.

The square root of 2867481931 is about 53548.8742271955. The cubic root of 2867481931 is about 1420.6929651875.

The spelling of 2867481931 in words is "two billion, eight hundred sixty-seven million, four hundred eighty-one thousand, nine hundred thirty-one".