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30331301031 = 3229691135111
BaseRepresentation
bin11100001111111000…
…101110110010100111
32220021211200201221200
4130033320232302213
5444104303113111
621533425013543
72122431543033
oct341770566247
986254621850
1030331301031
1111955257439
125a65a842b3
132b24c02105
14167a4491c3
15bc7c6c256
hex70fe2eca7

30331301031 has 12 divisors (see below), whose sum is σ = 43826674320. Its totient is φ = 20214038880.

The previous prime is 30331301029. The next prime is 30331301081. The reversal of 30331301031 is 13010313303.

30331301031 is a `hidden beast` number, since 3 + 0 + 331 + 301 + 0 + 31 = 666.

It is not a de Polignac number, because 30331301031 - 21 = 30331301029 is a prime.

It is a super-3 number, since 3×303313010313 (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 30331300995 and 30331301013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30331301081) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 540835 + ... + 594276.

It is an arithmetic number, because the mean of its divisors is an integer number (3652222860).

Almost surely, 230331301031 is an apocalyptic number.

30331301031 is a deficient number, since it is larger than the sum of its proper divisors (13495373289).

30331301031 is a wasteful number, since it uses less digits than its factorization.

30331301031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1138086 (or 1138083 counting only the distinct ones).

The product of its (nonzero) digits is 243, while the sum is 18.

Adding to 30331301031 its reverse (13010313303), we get a palindrome (43341614334).

The spelling of 30331301031 in words is "thirty billion, three hundred thirty-one million, three hundred one thousand, thirty-one".

Divisors: 1 3 9 2969 8907 26721 1135111 3405333 10215999 3370144559 10110433677 30331301031