1131030020143 has 8 divisors (see below), whose sum is σ = 1195497995120. Its totient is φ = 1067056053120.

The previous prime is 1131030020137. The next prime is 1131030020149. The reversal of 1131030020143 is 3410200301311.

It is an interprime number because it is at equal distance from previous prime (1131030020137) and next prime (1131030020149).

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

It is a cyclic number.

It is not a de Polignac number, because 1131030020143 - 2¹⁷ = 1131029889071 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

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 1131030020143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131030020149) 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 7 ways as a sum of consecutive naturals, for example, 123497280 + ... + 123506437.

It is an arithmetic number, because the mean of its divisors is an integer number (149437249390).

Almost surely, 2^{1131030020143} is an apocalyptic number.

1131030020143 is a deficient number, since it is larger than the sum of its proper divisors (64467974977).

1131030020143 is a wasteful number, since it uses less digits than its factorization.

1131030020143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247003977.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1131030020143 its reverse (3410200301311), we get a palindrome (4541230321454).

The spelling of 1131030020143 in words is "one trillion, one hundred thirty-one billion, thirty million, twenty thousand, one hundred forty-three".