20031300030 has 32 divisors (see below), whose sum is σ = 54942994944. Its totient is φ = 4578582816.

The previous prime is 20031300011. The next prime is 20031300049. The reversal of 20031300030 is 3000313002.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20031300011) and next prime (20031300049).

It is a junction number, because it is equal to n+sod(n) for n = 20031299979 and 20031300015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47693362 + ... + 47693781.

It is an arithmetic number, because the mean of its divisors is an integer number (1716968592).

Almost surely, 2^20031300030 is an apocalyptic number.

20031300030 is an abundant number, since it is smaller than the sum of its proper divisors (34911694914).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20031300030 is a wasteful number, since it uses less digits than its factorization.

20031300030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95387160.

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

Adding to 20031300030 its reverse (3000313002), we get a palindrome (23031613032).

The spelling of 20031300030 in words is "twenty billion, thirty-one million, three hundred thousand, thirty".