1011315031 has 2 divisors, whose sum is σ = 1011315032. Its totient is φ = 1011315030.

The previous prime is 1011315017. The next prime is 1011315059. The reversal of 1011315031 is 1305131101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1011315031 - 2¹⁷ = 1011183959 is a prime.

It is a super-2 number, since 2×1011315031² = 2045516183853061922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1011314996 and 1011315014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1011315731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505657515 + 505657516.

It is an arithmetic number, because the mean of its divisors is an integer number (505657516).

Almost surely, 2^1011315031 is an apocalyptic number.

1011315031 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011315031 is an equidigital number, since it uses as much as digits as its factorization.

1011315031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45, while the sum is 16.

The square root of 1011315031 is about 31801.1797108220. The cubic root of 1011315031 is about 1003.7575402072.

Adding to 1011315031 its reverse (1305131101), we get a palindrome (2316446132).

The spelling of 1011315031 in words is "one billion, eleven million, three hundred fifteen thousand, thirty-one".