1101313131 has 8 divisors (see below), whose sum is σ = 1545702720. Its totient is φ = 695566152.

The previous prime is 1101313121. The next prime is 1101313133. The reversal of 1101313131 is 1313131011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1101313131 - 2¹¹ = 1101311083 is a prime.

It is a super-2 number, since 2×1101313131² = 2425781225026046322, 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 1101313131.

It is not an unprimeable number, because it can be changed into a prime (1101313133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9660585 + ... + 9660698.

It is an arithmetic number, because the mean of its divisors is an integer number (193212840).

Almost surely, 2^1101313131 is an apocalyptic number.

1101313131 is a deficient number, since it is larger than the sum of its proper divisors (444389589).

1101313131 is a wasteful number, since it uses less digits than its factorization.

1101313131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19321305.

The product of its (nonzero) digits is 27, while the sum is 15.

The square root of 1101313131 is about 33186.0381937947. The cubic root of 1101313131 is about 1032.6907154538.

Adding to 1101313131 its reverse (1313131011), we get a palindrome (2414444142).

The spelling of 1101313131 in words is "one billion, one hundred one million, three hundred thirteen thousand, one hundred thirty-one".