20001301031 has 2 divisors, whose sum is σ = 20001301032. Its totient is φ = 20001301030.

The previous prime is 20001300971. The next prime is 20001301063. The reversal of 20001301031 is 13010310002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20001301031 - 2¹⁸ = 20001038887 is a prime.

It is a super-2 number, since 2×20001301031² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20001301081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10000650515 + 10000650516.

It is an arithmetic number, because the mean of its divisors is an integer number (10000650516).

Almost surely, 2^20001301031 is an apocalyptic number.

20001301031 is a deficient number, since it is larger than the sum of its proper divisors (1).

20001301031 is an equidigital number, since it uses as much as digits as its factorization.

20001301031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18, while the sum is 11.

Adding to 20001301031 its reverse (13010310002), we get a palindrome (33011611033).

It can be divided in two parts, 2000 and 1301031, that added together give a palindrome (1303031).

The spelling of 20001301031 in words is "twenty billion, one million, three hundred one thousand, thirty-one".