1026113531 has 2 divisors, whose sum is σ = 1026113532. Its totient is φ = 1026113530.

The previous prime is 1026113527. The next prime is 1026113597. The reversal of 1026113531 is 1353116201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1026113531 - 2² = 1026113527 is a prime.

It is a super-2 number, since 2×1026113531² = 2105817957002575922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1026113497 and 1026113506.

It is not a weakly prime, because it can be changed into another prime (1026113521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 513056765 + 513056766.

It is an arithmetic number, because the mean of its divisors is an integer number (513056766).

Almost surely, 2^1026113531 is an apocalyptic number.

1026113531 is a deficient number, since it is larger than the sum of its proper divisors (1).

1026113531 is an equidigital number, since it uses as much as digits as its factorization.

1026113531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 1026113531 is about 32033.0068991345. The cubic root of 1026113531 is about 1008.6298222690.

Adding to 1026113531 its reverse (1353116201), we get a palindrome (2379229732).

The spelling of 1026113531 in words is "one billion, twenty-six million, one hundred thirteen thousand, five hundred thirty-one".