6131240351 has 4 divisors (see below), whose sum is σ = 6131907600. Its totient is φ = 6130573104.

The previous prime is 6131240329. The next prime is 6131240389. The reversal of 6131240351 is 1530421316.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6131240351 - 2¹⁸ = 6130978207 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6131240351.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6131240051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 319646 + ... + 338283.

It is an arithmetic number, because the mean of its divisors is an integer number (1532976900).

Almost surely, 2^6131240351 is an apocalyptic number.

6131240351 is a deficient number, since it is larger than the sum of its proper divisors (667249).

6131240351 is an equidigital number, since it uses as much as digits as its factorization.

6131240351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667248.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 6131240351 is about 78302.2372030327. The cubic root of 6131240351 is about 1830.2740142305.

Adding to 6131240351 its reverse (1530421316), we get a palindrome (7661661667).

The spelling of 6131240351 in words is "six billion, one hundred thirty-one million, two hundred forty thousand, three hundred fifty-one".