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330120231231 = 3718587845753
BaseRepresentation
bin1001100110111001011…
…00101111100100111111
31011120002122110022100210
410303130230233210333
520402041234344411
6411353302123503
732564454444510
oct4633454574477
91146078408323
10330120231231
1111800429a88a
1253b90720593
132519009bc3b
1411d99526a07
1588c1b36ca6
hex4cdcb2f93f

330120231231 has 16 divisors (see below), whose sum is σ = 503068011264. Its totient is φ = 188629760064.

The previous prime is 330120231211. The next prime is 330120231269. The reversal of 330120231231 is 132132021033.

It is not a de Polignac number, because 330120231231 - 230 = 329046489407 is a prime.

It is a super-2 number, since 2×3301202312312 (a number of 24 digits) contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 330120231198 and 330120231207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (330120231211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32550 + ... + 813203.

It is an arithmetic number, because the mean of its divisors is an integer number (31441750704).

Almost surely, 2330120231231 is an apocalyptic number.

330120231231 is a deficient number, since it is larger than the sum of its proper divisors (172947780033).

330120231231 is a wasteful number, since it uses less digits than its factorization.

330120231231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 864350.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 330120231231 its reverse (132132021033), we get a palindrome (462252252264).

The spelling of 330120231231 in words is "three hundred thirty billion, one hundred twenty million, two hundred thirty-one thousand, two hundred thirty-one".

Divisors: 1 3 7 21 18587 55761 130109 390327 845753 2537259 5920271 17760813 15720011011 47160033033 110040077077 330120231231