20030231013031 has 16 divisors (see below), whose sum is σ = 21090311193600. Its totient is φ = 18996786597600.

The previous prime is 20030231013019. The next prime is 20030231013061. The reversal of 20030231013031 is 13031013203002.

It is a cyclic number.

It is not a de Polignac number, because 20030231013031 - 2²⁹ = 20029694142119 is a prime.

It is a super-2 number, since 2×20030231013031² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20030231013061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17390601 + ... + 18506578.

It is an arithmetic number, because the mean of its divisors is an integer number (1318144449600).

Almost surely, 2^{20030231013031} is an apocalyptic number.

20030231013031 is a deficient number, since it is larger than the sum of its proper divisors (1060080180569).

20030231013031 is a wasteful number, since it uses less digits than its factorization.

20030231013031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35897550.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 20030231013031 its reverse (13031013203002), we get a palindrome (33061244216033).

The spelling of 20030231013031 in words is "twenty trillion, thirty billion, two hundred thirty-one million, thirteen thousand, thirty-one".