7115101531 has 2 divisors, whose sum is σ = 7115101532. Its totient is φ = 7115101530.

The previous prime is 7115101481. The next prime is 7115101573. The reversal of 7115101531 is 1351015117.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7115101531 - 2⁷ = 7115101403 is a prime.

It is a super-2 number, since 2×7115101531² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7115101496 and 7115101505.

It is not a weakly prime, because it can be changed into another prime (7115101031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3557550765 + 3557550766.

It is an arithmetic number, because the mean of its divisors is an integer number (3557550766).

Almost surely, 2^7115101531 is an apocalyptic number.

7115101531 is a deficient number, since it is larger than the sum of its proper divisors (1).

7115101531 is an equidigital number, since it uses as much as digits as its factorization.

7115101531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 525, while the sum is 25.

The square root of 7115101531 is about 84351.0612322098. The cubic root of 7115101531 is about 1923.3590586511.

Adding to 7115101531 its reverse (1351015117), we get a palindrome (8466116648).

The spelling of 7115101531 in words is "seven billion, one hundred fifteen million, one hundred one thousand, five hundred thirty-one".