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30201233223 = 3743103332377
BaseRepresentation
bin11100001000001000…
…100011111101000111
32212221202221121110110
4130020020203331013
5443323003430343
621512501124103
72116262150430
oct341010437507
985852847413
1030201233223
1111898899587
125a2a3b9633
132b03c91805
14166706c487
15bbb628833
hex708223f47

30201233223 has 32 divisors (see below), whose sum is σ = 47138223616. Its totient is φ = 16839664128.

The previous prime is 30201233203. The next prime is 30201233233. The reversal of 30201233223 is 32233210203.

It is not a de Polignac number, because 30201233223 - 210 = 30201232199 is a prime.

It is a super-2 number, since 2×302012332232 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30201233223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30201233203) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 916611 + ... + 948987.

It is an arithmetic number, because the mean of its divisors is an integer number (1473069488).

Almost surely, 230201233223 is an apocalyptic number.

30201233223 is a deficient number, since it is larger than the sum of its proper divisors (16936990393).

30201233223 is a wasteful number, since it uses less digits than its factorization.

30201233223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33463.

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 30201233223 its reverse (32233210203), we get a palindrome (62434443426).

The spelling of 30201233223 in words is "thirty billion, two hundred one million, two hundred thirty-three thousand, two hundred twenty-three".

Divisors: 1 3 7 21 43 129 301 903 1033 3099 7231 21693 32377 44419 97131 133257 226639 310933 679917 932799 1392211 4176633 9745477 29236431 33445441 100336323 234118087 702354261 1438153963 4314461889 10067077741 30201233223