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223331331213 = 32127195390491
BaseRepresentation
bin1100111111111110010…
…1011010110010001101
3210100110100022010001200
43033333211122302031
512124340310044323
6250332541300113
722064233664544
oct3177745326215
9710410263050
10223331331213
1186794794711
1237349264639
13180a1c28cc3
14ab489bb15b
155c218d1443
hex33ff95ac8d

223331331213 has 12 divisors (see below), whose sum is σ = 325129778688. Its totient is φ = 147715210440.

The previous prime is 223331331187. The next prime is 223331331257. The reversal of 223331331213 is 312133133322.

223331331213 is a `hidden beast` number, since 2 + 2 + 3 + 331 + 3 + 312 + 13 = 666.

It is not a de Polignac number, because 223331331213 - 222 = 223327136909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223331336213) 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, 97694103 + ... + 97696388.

It is an arithmetic number, because the mean of its divisors is an integer number (27094148224).

Almost surely, 2223331331213 is an apocalyptic number.

It is an amenable number.

223331331213 is a deficient number, since it is larger than the sum of its proper divisors (101798447475).

223331331213 is a wasteful number, since it uses less digits than its factorization.

223331331213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195390624 (or 195390621 counting only the distinct ones).

The product of its digits is 5832, while the sum is 27.

Adding to 223331331213 its reverse (312133133322), we get a palindrome (535464464535).

The spelling of 223331331213 in words is "two hundred twenty-three billion, three hundred thirty-one million, three hundred thirty-one thousand, two hundred thirteen".

Divisors: 1 3 9 127 381 1143 195390491 586171473 1758514419 24814592357 74443777071 223331331213