2001020202031 has 2 divisors, whose sum is σ = 2001020202032. Its totient is φ = 2001020202030.

The previous prime is 2001020202029. The next prime is 2001020202101. The reversal of 2001020202031 is 1302020201002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2001020202031 - 2¹ = 2001020202029 is a prime.

It is a super-2 number, since 2×2001020202031² (a number of 25 digits) contains 22 as substring.

Together with 2001020202029, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2001020202331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000510101015 + 1000510101016.

It is an arithmetic number, because the mean of its divisors is an integer number (1000510101016).

Almost surely, 2^{2001020202031} is an apocalyptic number.

2001020202031 is a deficient number, since it is larger than the sum of its proper divisors (1).

2001020202031 is an equidigital number, since it uses as much as digits as its factorization.

2001020202031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 2001020202031 its reverse (1302020201002), we get a palindrome (3303040403033).

The spelling of 2001020202031 in words is "two trillion, one billion, twenty million, two hundred two thousand, thirty-one".