1002231331401 has 4 divisors (see below), whose sum is σ = 1336308441872. Its totient is φ = 668154220932.

The previous prime is 1002231331373. The next prime is 1002231331403. The reversal of 1002231331401 is 1041331322001.

1002231331401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1002231331401 - 2¹⁰ = 1002231330377 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1002231331403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167038555231 + ... + 167038555236.

It is an arithmetic number, because the mean of its divisors is an integer number (334077110468).

Almost surely, 2^{1002231331401} is an apocalyptic number.

It is an amenable number.

1002231331401 is a deficient number, since it is larger than the sum of its proper divisors (334077110471).

1002231331401 is an equidigital number, since it uses as much as digits as its factorization.

1002231331401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334077110470.

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

Adding to 1002231331401 its reverse (1041331322001), we get a palindrome (2043562653402).

The spelling of 1002231331401 in words is "one trillion, two billion, two hundred thirty-one million, three hundred thirty-one thousand, four hundred one".