1400443232311 has 4 divisors (see below), whose sum is σ = 1400449231624. Its totient is φ = 1400437233000.

The previous prime is 1400443232269. The next prime is 1400443232327. The reversal of 1400443232311 is 1132323440041.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1400443232311 - 2⁹ = 1400443231799 is a prime.

It is a super-2 number, since 2×1400443232311² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1400443232311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400443232351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2634705 + ... + 3121306.

It is an arithmetic number, because the mean of its divisors is an integer number (350112307906).

Almost surely, 2^{1400443232311} is an apocalyptic number.

1400443232311 is a deficient number, since it is larger than the sum of its proper divisors (5999313).

1400443232311 is an equidigital number, since it uses as much as digits as its factorization.

1400443232311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5999312.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 1400443232311 its reverse (1132323440041), we get a palindrome (2532766672352).

The spelling of 1400443232311 in words is "one trillion, four hundred billion, four hundred forty-three million, two hundred thirty-two thousand, three hundred eleven".