1440313131111 has 32 divisors (see below), whose sum is σ = 2028583649280. Its totient is φ = 906485580000.

The previous prime is 1440313131079. The next prime is 1440313131167. The reversal of 1440313131111 is 1111313130441.

It is not a de Polignac number, because 1440313131111 - 2⁵ = 1440313131079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1440313131011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19783306 + ... + 19855976.

It is an arithmetic number, because the mean of its divisors is an integer number (63393239040).

Almost surely, 2^{1440313131111} is an apocalyptic number.

1440313131111 is a deficient number, since it is larger than the sum of its proper divisors (588270518169).

1440313131111 is a wasteful number, since it uses less digits than its factorization.

1440313131111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73907.

The product of its (nonzero) digits is 432, while the sum is 24.

Adding to 1440313131111 its reverse (1111313130441), we get a palindrome (2551626261552).

The spelling of 1440313131111 in words is "one trillion, four hundred forty billion, three hundred thirteen million, one hundred thirty-one thousand, one hundred eleven".