69113531 has 2 divisors, whose sum is σ = 69113532. Its totient is φ = 69113530.

The previous prime is 69113503. The next prime is 69113563. The reversal of 69113531 is 13531196.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 69113531 - 2¹⁰ = 69112507 is a prime.

It is a super-2 number, since 2×69113531² = 9553360334575922, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 69113494 and 69113503.

It is not a weakly prime, because it can be changed into another prime (69118531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34556765 + 34556766.

It is an arithmetic number, because the mean of its divisors is an integer number (34556766).

Almost surely, 2^69113531 is an apocalyptic number.

69113531 is a deficient number, since it is larger than the sum of its proper divisors (1).

69113531 is an equidigital number, since it uses as much as digits as its factorization.

69113531 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2430, while the sum is 29.

The square root of 69113531 is about 8313.4548173428. The cubic root of 69113531 is about 410.3814237539.

The spelling of 69113531 in words is "sixty-nine million, one hundred thirteen thousand, five hundred thirty-one".