2143431203001 has 32 divisors (see below), whose sum is σ = 3281949964800. Its totient is φ = 1230625169280.

The previous prime is 2143431202981. The next prime is 2143431203059. The reversal of 2143431203001 is 1003021343412.

It is a happy number.

It is not a de Polignac number, because 2143431203001 - 2⁷ = 2143431202873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2143431203201) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18035365 + ... + 18153821.

It is an arithmetic number, because the mean of its divisors is an integer number (102560936400).

Almost surely, 2^{2143431203001} is an apocalyptic number.

It is an amenable number.

2143431203001 is a deficient number, since it is larger than the sum of its proper divisors (1138518761799).

2143431203001 is a wasteful number, since it uses less digits than its factorization.

2143431203001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147349.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 2143431203001 its reverse (1003021343412), we get a palindrome (3146452546413).

It can be divided in two parts, 2143431 and 203001, that added together give a palindrome (2346432).

The spelling of 2143431203001 in words is "two trillion, one hundred forty-three billion, four hundred thirty-one million, two hundred three thousand, one".