1101142344 has 16 divisors (see below), whose sum is σ = 2752855920. Its totient is φ = 367047440.

The previous prime is 1101142331. The next prime is 1101142379. The reversal of 1101142344 is 4432411011.

It is a self number, because there is not a number n which added to its sum of digits gives 1101142344.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22940442 + ... + 22940489.

It is an arithmetic number, because the mean of its divisors is an integer number (172053495).

Almost surely, 2^1101142344 is an apocalyptic number.

It is an amenable number.

1101142344 is an abundant number, since it is smaller than the sum of its proper divisors (1651713576).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1101142344 is a wasteful number, since it uses less digits than its factorization.

1101142344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45880940 (or 45880936 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 1101142344 is about 33183.4649185404. The cubic root of 1101142344 is about 1032.6373309192.

Adding to 1101142344 its reverse (4432411011), we get a palindrome (5533553355).

The spelling of 1101142344 in words is "one billion, one hundred one million, one hundred forty-two thousand, three hundred forty-four".