20300331031 has 8 divisors (see below), whose sum is σ = 20348928000. Its totient is φ = 20251784280.

The previous prime is 20300330969. The next prime is 20300331043. The reversal of 20300331031 is 13013300302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20300331031 is a prime.

It is a super-2 number, since 2×20300331031² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20300330996 and 20300331014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20300334031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 869610 + ... + 892648.

It is an arithmetic number, because the mean of its divisors is an integer number (2543616000).

Almost surely, 2^20300331031 is an apocalyptic number.

20300331031 is a deficient number, since it is larger than the sum of its proper divisors (48596969).

20300331031 is a wasteful number, since it uses less digits than its factorization.

20300331031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25109.

The product of its (nonzero) digits is 162, while the sum is 16.

Adding to 20300331031 its reverse (13013300302), we get a palindrome (33313631333).

The spelling of 20300331031 in words is "twenty billion, three hundred million, three hundred thirty-one thousand, thirty-one".