20031033227131 has 2 divisors, whose sum is σ = 20031033227132. Its totient is φ = 20031033227130.

The previous prime is 20031033227099. The next prime is 20031033227137. The reversal of 20031033227131 is 13172233013002.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20031033227131 - 2⁵ = 20031033227099 is a prime.

It is a super-2 number, since 2×20031033227131² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20031033227131.

It is not a weakly prime, because it can be changed into another prime (20031033227137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10015516613565 + 10015516613566.

It is an arithmetic number, because the mean of its divisors is an integer number (10015516613566).

Almost surely, 2^{20031033227131} is an apocalyptic number.

20031033227131 is a deficient number, since it is larger than the sum of its proper divisors (1).

20031033227131 is an equidigital number, since it uses as much as digits as its factorization.

20031033227131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 28.

The spelling of 20031033227131 in words is "twenty trillion, thirty-one billion, thirty-three million, two hundred twenty-seven thousand, one hundred thirty-one".