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30311521231014 = 23667310295449
BaseRepresentation
bin1101110010001011100110…
…11101001010000010100110
310222022202100000211222000000
412321011303131022002212
512433110443413343024
6144244530504202130
76245635516225422
oct671056335120246
9128282300758000
1030311521231014
119727053573781
1234966ab169346
1313bb4971720ca
1476b12a6bdb82
15378713b85cc9
hex1b917374a0a6

30311521231014 has 56 divisors (see below), whose sum is σ = 69187197077400. Its totient is φ = 9953036790048.

The previous prime is 30311521231001. The next prime is 30311521231087. The reversal of 30311521231014 is 41013212511303.

30311521231014 is a `hidden beast` number, since 3 + 0 + 3 + 11 + 521 + 23 + 101 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 155050039 + ... + 155245410.

Almost surely, 230311521231014 is an apocalyptic number.

30311521231014 is an abundant number, since it is smaller than the sum of its proper divisors (38875675846386).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30311521231014 is an equidigital number, since it uses as much as digits as its factorization.

30311521231014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310295536 (or 310295521 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

Adding to 30311521231014 its reverse (41013212511303), we get a palindrome (71324733742317).

The spelling of 30311521231014 in words is "thirty trillion, three hundred eleven billion, five hundred twenty-one million, two hundred thirty-one thousand, fourteen".

Divisors: 1 2 3 6 9 18 27 54 67 81 134 162 201 243 402 486 603 729 1206 1458 1809 3618 5427 10854 16281 32562 48843 97686 310295449 620590898 930886347 1861772694 2792659041 5585318082 8377977123 16755954246 20789795083 25133931369 41579590166 50267862738 62369385249 75401794107 124738770498 150803588214 187108155747 226205382321 374216311494 452410764642 561324467241 1122648934482 1683973401723 3367946803446 5051920205169 10103840410338 15155760615507 30311521231014