1143431320101 has 16 divisors (see below), whose sum is σ = 1742388278400. Its totient is φ = 653383047168.

The previous prime is 1143431320099. The next prime is 1143431320117. The reversal of 1143431320101 is 1010231343411.

It is a happy number.

It is not a de Polignac number, because 1143431320101 - 2¹ = 1143431320099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143431320121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2819965 + ... + 3199853.

It is an arithmetic number, because the mean of its divisors is an integer number (108899267400).

Almost surely, 2^{1143431320101} is an apocalyptic number.

It is an amenable number.

1143431320101 is a deficient number, since it is larger than the sum of its proper divisors (598956958299).

1143431320101 is a wasteful number, since it uses less digits than its factorization.

1143431320101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523228.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 1143431320101 its reverse (1010231343411), we get a palindrome (2153662663512).

The spelling of 1143431320101 in words is "one trillion, one hundred forty-three billion, four hundred thirty-one million, three hundred twenty thousand, one hundred one".