20003030031 has 8 divisors (see below), whose sum is σ = 26674738560. Its totient is φ = 13333337432.

The previous prime is 20003029999. The next prime is 20003030039. The reversal of 20003030031 is 13003030002.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 20003030031 - 2⁵ = 20003029999 is a prime.

It is a super-2 number, since 2×20003030031² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20003029989 and 20003030016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20003030039) 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, 480675 + ... + 520628.

It is an arithmetic number, because the mean of its divisors is an integer number (3334342320).

Almost surely, 2^20003030031 is an apocalyptic number.

20003030031 is a deficient number, since it is larger than the sum of its proper divisors (6671708529).

20003030031 is a wasteful number, since it uses less digits than its factorization.

20003030031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1007965.

The product of its (nonzero) digits is 54, while the sum is 12.

Adding to 20003030031 its reverse (13003030002), we get a palindrome (33006060033).

The spelling of 20003030031 in words is "twenty billion, three million, thirty thousand, thirty-one".