20031133019 has 2 divisors, whose sum is σ = 20031133020. Its totient is φ = 20031133018.

The previous prime is 20031133013. The next prime is 20031133043. The reversal of 20031133019 is 91033113002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20031133019 - 2³² = 15736165723 is a prime.

It is a super-2 number, since 2×20031133019² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20031132985 and 20031133003.

It is not a weakly prime, because it can be changed into another prime (20031133013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10015566509 + 10015566510.

It is an arithmetic number, because the mean of its divisors is an integer number (10015566510).

Almost surely, 2^20031133019 is an apocalyptic number.

20031133019 is a deficient number, since it is larger than the sum of its proper divisors (1).

20031133019 is an equidigital number, since it uses as much as digits as its factorization.

20031133019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 486, while the sum is 23.

The spelling of 20031133019 in words is "twenty billion, thirty-one million, one hundred thirty-three thousand, nineteen".