1231441143035 has 16 divisors (see below), whose sum is σ = 1518319057536. Its totient is φ = 958115968128.

The previous prime is 1231441143013. The next prime is 1231441143043. The reversal of 1231441143035 is 5303411441321.

It is a cyclic number.

It is not a de Polignac number, because 1231441143035 - 2¹⁰ = 1231441142011 is a prime.

It is a super-2 number, since 2×1231441143035² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1231441142992 and 1231441143010.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 994979 + ... + 1858188.

It is an arithmetic number, because the mean of its divisors is an integer number (94894941096).

Almost surely, 2^{1231441143035} is an apocalyptic number.

1231441143035 is a deficient number, since it is larger than the sum of its proper divisors (286877914501).

1231441143035 is a wasteful number, since it uses less digits than its factorization.

1231441143035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2855542.

The product of its (nonzero) digits is 17280, while the sum is 32.

Adding to 1231441143035 its reverse (5303411441321), we get a palindrome (6534852584356).

The spelling of 1231441143035 in words is "one trillion, two hundred thirty-one billion, four hundred forty-one million, one hundred forty-three thousand, thirty-five".