1001231143302 has 128 divisors (see below), whose sum is σ = 2402127705600. Its totient is φ = 275205482496.

The previous prime is 1001231143261. The next prime is 1001231143307. The reversal of 1001231143302 is 2033411321001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001231143307) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2048133 + ... + 2489439.

It is an arithmetic number, because the mean of its divisors is an integer number (18766622700).

Almost surely, 2^{1001231143302} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1001231143302, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1201063852800).

1001231143302 is an abundant number, since it is smaller than the sum of its proper divisors (1400896562298).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1001231143302 is a wasteful number, since it uses less digits than its factorization.

1001231143302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441430.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 1001231143302 its reverse (2033411321001), we get a palindrome (3034642464303).

The spelling of 1001231143302 in words is "one trillion, one billion, two hundred thirty-one million, one hundred forty-three thousand, three hundred two".