7131901291 has 2 divisors, whose sum is σ = 7131901292. Its totient is φ = 7131901290.

The previous prime is 7131901277. The next prime is 7131901331. The reversal of 7131901291 is 1921091317.

It is a weak prime.

It is an emirp because it is prime and its reverse (1921091317) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7131901291 - 2⁷ = 7131901163 is a prime.

It is not a weakly prime, because it can be changed into another prime (7131901391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3565950645 + 3565950646.

It is an arithmetic number, because the mean of its divisors is an integer number (3565950646).

Almost surely, 2^7131901291 is an apocalyptic number.

7131901291 is a deficient number, since it is larger than the sum of its proper divisors (1).

7131901291 is an equidigital number, since it uses as much as digits as its factorization.

7131901291 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3402, while the sum is 34.

The square root of 7131901291 is about 84450.5849062042. The cubic root of 7131901291 is about 1924.8716429622.

The spelling of 7131901291 in words is "seven billion, one hundred thirty-one million, nine hundred one thousand, two hundred ninety-one".