20330101031 has 4 divisors (see below), whose sum is σ = 20335255752. Its totient is φ = 20324946312.

The previous prime is 20330101013. The next prime is 20330101073. The reversal of 20330101031 is 13010103302.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20330101031 is a prime.

It is a super-2 number, since 2×20330101031² (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 = 20330100997 and 20330101015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20330161031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2571440 + ... + 2579333.

It is an arithmetic number, because the mean of its divisors is an integer number (5083813938).

Almost surely, 2^20330101031 is an apocalyptic number.

20330101031 is a deficient number, since it is larger than the sum of its proper divisors (5154721).

20330101031 is an equidigital number, since it uses as much as digits as its factorization.

20330101031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5154720.

The product of its (nonzero) digits is 54, while the sum is 14.

Adding to 20330101031 its reverse (13010103302), we get a palindrome (33340204333).

The spelling of 20330101031 in words is "twenty billion, three hundred thirty million, one hundred one thousand, thirty-one".