1101531323 has 2 divisors, whose sum is σ = 1101531324. Its totient is φ = 1101531322.

The previous prime is 1101531317. The next prime is 1101531367. The reversal of 1101531323 is 3231351011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1101531323 - 2¹⁰ = 1101530299 is a prime.

It is a super-3 number, since 3×1101531323³ (a number of 28 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1101531295 and 1101531304.

It is not a weakly prime, because it can be changed into another prime (1101534323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550765661 + 550765662.

It is an arithmetic number, because the mean of its divisors is an integer number (550765662).

Almost surely, 2^1101531323 is an apocalyptic number.

1101531323 is a deficient number, since it is larger than the sum of its proper divisors (1).

1101531323 is an equidigital number, since it uses as much as digits as its factorization.

1101531323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 270, while the sum is 20.

The square root of 1101531323 is about 33189.3254375560. The cubic root of 1101531323 is about 1032.7589097961.

Adding to 1101531323 its reverse (3231351011), we get a palindrome (4332882334).

The spelling of 1101531323 in words is "one billion, one hundred one million, five hundred thirty-one thousand, three hundred twenty-three".