30311020030 has 16 divisors (see below), whose sum is σ = 54563994864. Its totient is φ = 12123483840.

The previous prime is 30311020021. The next prime is 30311020037. The reversal of 30311020030 is 3002011303.

It is a super-2 number, since 2×30311020030² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30311020037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31090 + ... + 248170.

It is an arithmetic number, because the mean of its divisors is an integer number (3410249679).

Almost surely, 2^30311020030 is an apocalyptic number.

30311020030 is a deficient number, since it is larger than the sum of its proper divisors (24252974834).

30311020030 is a wasteful number, since it uses less digits than its factorization.

30311020030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231051.

The product of its (nonzero) digits is 54, while the sum is 13.

Adding to 30311020030 its reverse (3002011303), we get a palindrome (33313031333).

The spelling of 30311020030 in words is "thirty billion, three hundred eleven million, twenty thousand, thirty".