2002331321131 has 4 divisors (see below), whose sum is σ = 2021044698072. Its totient is φ = 1983617944192.

The previous prime is 2002331321101. The next prime is 2002331321201. The reversal of 2002331321131 is 1311231332002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2002331321131 is a prime.

It is a super-2 number, since 2×2002331321131² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2002331321101) 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, 9356688310 + ... + 9356688523.

It is an arithmetic number, because the mean of its divisors is an integer number (505261174518).

Almost surely, 2^{2002331321131} is an apocalyptic number.

2002331321131 is a deficient number, since it is larger than the sum of its proper divisors (18713376941).

2002331321131 is a wasteful number, since it uses less digits than its factorization.

2002331321131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18713376940.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 2002331321131 its reverse (1311231332002), we get a palindrome (3313562653133).

It can be divided in two parts, 2002 and 331321131, that added together give a palindrome (331323133).

The spelling of 2002331321131 in words is "two trillion, two billion, three hundred thirty-one million, three hundred twenty-one thousand, one hundred thirty-one".