2681431007 has 2 divisors, whose sum is σ = 2681431008. Its totient is φ = 2681431006.

The previous prime is 2681431003. The next prime is 2681431091. The reversal of 2681431007 is 7001341862.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2681431007 - 2² = 2681431003 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2681431001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1340715503 + 1340715504.

It is an arithmetic number, because the mean of its divisors is an integer number (1340715504).

Almost surely, 2^2681431007 is an apocalyptic number.

2681431007 is a deficient number, since it is larger than the sum of its proper divisors (1).

2681431007 is an equidigital number, since it uses as much as digits as its factorization.

2681431007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 2681431007 is about 51782.5357335849. The cubic root of 2681431007 is about 1389.2770954183.

Adding to 2681431007 its reverse (7001341862), we get a palindrome (9682772869).

The spelling of 2681431007 in words is "two billion, six hundred eighty-one million, four hundred thirty-one thousand, seven".