1061031311 has 2 divisors, whose sum is σ = 1061031312. Its totient is φ = 1061031310.

The previous prime is 1061031289. The next prime is 1061031329. The reversal of 1061031311 is 1131301601.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1061031311 - 2²² = 1056837007 is a prime.

It is a super-2 number, since 2×1061031311² = 2251574885844757442, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1061031311.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1061031511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 530515655 + 530515656.

It is an arithmetic number, because the mean of its divisors is an integer number (530515656).

Almost surely, 2^1061031311 is an apocalyptic number.

1061031311 is a deficient number, since it is larger than the sum of its proper divisors (1).

1061031311 is an equidigital number, since it uses as much as digits as its factorization.

1061031311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54, while the sum is 17.

The square root of 1061031311 is about 32573.4755744609. The cubic root of 1061031311 is about 1019.9433875410.

Adding to 1061031311 its reverse (1131301601), we get a palindrome (2192332912).

The spelling of 1061031311 in words is "one billion, sixty-one million, thirty-one thousand, three hundred eleven".