1015071131 has 2 divisors, whose sum is σ = 1015071132. Its totient is φ = 1015071130.

The previous prime is 1015071107. The next prime is 1015071163. The reversal of 1015071131 is 1311705101.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1015071131 is a prime.

It is a super-2 number, since 2×1015071131² = 2060738801979238322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1015071191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 507535565 + 507535566.

It is an arithmetic number, because the mean of its divisors is an integer number (507535566).

Almost surely, 2^1015071131 is an apocalyptic number.

1015071131 is a deficient number, since it is larger than the sum of its proper divisors (1).

1015071131 is an equidigital number, since it uses as much as digits as its factorization.

1015071131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 105, while the sum is 20.

The square root of 1015071131 is about 31860.1809630768. The cubic root of 1015071131 is about 1004.9986818791.

Adding to 1015071131 its reverse (1311705101), we get a palindrome (2326776232).

The spelling of 1015071131 in words is "one billion, fifteen million, seventy-one thousand, one hundred thirty-one".