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30220400230331 = 237365632742503
BaseRepresentation
bin1101101111100001111000…
…01110000111111110111011
310222000001010122121112000212
412313300330032013332323
512430112334424332311
6144135021001021335
76236231455421333
oct667607416077673
9128001118545025
1030220400230331
1196a14440a4243
123480abaa8484b
1313b2a0502841c
147669649780c3
1537617e1c5c8b
hex1b7c3c387fbb

30220400230331 has 16 divisors (see below), whose sum is σ = 31971190150656. Its totient is φ = 28506136228416.

The previous prime is 30220400230289. The next prime is 30220400230343. The reversal of 30220400230331 is 13303200402203.

It is a cyclic number.

It is not a de Polignac number, because 30220400230331 - 234 = 30203220361147 is a prime.

It is a super-2 number, since 2×302204002303312 (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30220400230297 and 30220400230306.

It is not an unprimeable number, because it can be changed into a prime (30220400236331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9648026 + ... + 12390528.

It is an arithmetic number, because the mean of its divisors is an integer number (1998199384416).

Almost surely, 230220400230331 is an apocalyptic number.

30220400230331 is a deficient number, since it is larger than the sum of its proper divisors (1750789920325).

30220400230331 is a wasteful number, since it uses less digits than its factorization.

30220400230331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2749162.

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 30220400230331 its reverse (13303200402203), we get a palindrome (43523600632534).

The spelling of 30220400230331 in words is "thirty trillion, two hundred twenty billion, four hundred million, two hundred thirty thousand, three hundred thirty-one".

Divisors: 1 23 73 1679 6563 150949 479099 2742503 11019277 63077569 200202719 4604662537 17999047189 413978085347 1313930444797 30220400230331