20003331233131 has 2 divisors, whose sum is σ = 20003331233132. Its totient is φ = 20003331233130.

The previous prime is 20003331233059. The next prime is 20003331233147. The reversal of 20003331233131 is 13133213330002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20003331233131 - 2⁷ = 20003331233003 is a prime.

It is a super-2 number, since 2×20003331233131² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20003331233096 and 20003331233105.

It is not a weakly prime, because it can be changed into another prime (20003331263131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10001665616565 + 10001665616566.

It is an arithmetic number, because the mean of its divisors is an integer number (10001665616566).

Almost surely, 2^{20003331233131} is an apocalyptic number.

20003331233131 is a deficient number, since it is larger than the sum of its proper divisors (1).

20003331233131 is an equidigital number, since it uses as much as digits as its factorization.

20003331233131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2916, while the sum is 25.

Adding to 20003331233131 its reverse (13133213330002), we get a palindrome (33136544563133).

The spelling of 20003331233131 in words is "twenty trillion, three billion, three hundred thirty-one million, two hundred thirty-three thousand, one hundred thirty-one".