2203001312331 has 4 divisors (see below), whose sum is σ = 2937335083112. Its totient is φ = 1468667541552.

The previous prime is 2203001312327. The next prime is 2203001312339. The reversal of 2203001312331 is 1332131003022.

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

It is not a de Polignac number, because 2203001312331 - 2² = 2203001312327 is a prime.

It is a super-2 number, since 2×2203001312331² (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 = 2203001312298 and 2203001312307.

It is not an unprimeable number, because it can be changed into a prime (2203001312339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 367166885386 + ... + 367166885391.

It is an arithmetic number, because the mean of its divisors is an integer number (734333770778).

Almost surely, 2^{2203001312331} is an apocalyptic number.

2203001312331 is a deficient number, since it is larger than the sum of its proper divisors (734333770781).

2203001312331 is an equidigital number, since it uses as much as digits as its factorization.

2203001312331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 734333770780.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 2203001312331 its reverse (1332131003022), we get a palindrome (3535132315353).

The spelling of 2203001312331 in words is "two trillion, two hundred three billion, one million, three hundred twelve thousand, three hundred thirty-one".