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30311311030 = 25711132435417
BaseRepresentation
bin11100001110101100…
…011110011010110110
32220020110002010211021
4130032230132122312
5444034143423110
621531432331354
72122066615120
oct341654363266
986213063737
1030311311030
1111944a43680
125a5b243b5a
132b20a23400
141677924210
15bc611e2da
hex70eb1e6b6

30311311030 has 192 divisors, whose sum is σ = 75385271808. Its totient is φ = 8516551680.

The previous prime is 30311311027. The next prime is 30311311057. The reversal of 30311311030 is 3011311303.

It is a junction number, because it is equal to n+sod(n) for n = 30311310995 and 30311311013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5592882 + ... + 5598298.

It is an arithmetic number, because the mean of its divisors is an integer number (392631624).

Almost surely, 230311311030 is an apocalyptic number.

30311311030 is an abundant number, since it is smaller than the sum of its proper divisors (45073960778).

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

30311311030 is a wasteful number, since it uses less digits than its factorization.

30311311030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5511 (or 5498 counting only the distinct ones).

The product of its (nonzero) digits is 81, while the sum is 16.

Adding to 30311311030 its reverse (3011311303), we get a palindrome (33322622333).

The spelling of 30311311030 in words is "thirty billion, three hundred eleven million, three hundred eleven thousand, thirty".