6131265131 has 4 divisors (see below), whose sum is σ = 6156919200. Its totient is φ = 6105611064.

The previous prime is 6131265113. The next prime is 6131265139. The reversal of 6131265131 is 1315621316.

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 6131265131 - 2¹⁸ = 6131002987 is a prime.

It is a super-2 number, since 2×6131265131² = 75184824213232894322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6131265094 and 6131265103.

It is not an unprimeable number, because it can be changed into a prime (6131265139) 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, 12826676 + ... + 12827153.

It is an arithmetic number, because the mean of its divisors is an integer number (1539229800).

Almost surely, 2^6131265131 is an apocalyptic number.

6131265131 is a deficient number, since it is larger than the sum of its proper divisors (25654069).

6131265131 is a wasteful number, since it uses less digits than its factorization.

6131265131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25654068.

The product of its digits is 3240, while the sum is 29.

The square root of 6131265131 is about 78302.3954358997. The cubic root of 6131265131 is about 1830.2764799702.

Adding to 6131265131 its reverse (1315621316), we get a palindrome (7446886447).

The spelling of 6131265131 in words is "six billion, one hundred thirty-one million, two hundred sixty-five thousand, one hundred thirty-one".