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33030121131 = 3271723130427
BaseRepresentation
bin11110110000101111…
…111010011010101011
310011020221000000010200
4132300233322122223
51020121202334011
623101314043243
72246342253150
oct366057723253
9104227000120
1033030121131
111300a707977
126499879523
133165094797
141854a52227
15cd4b6c856
hex7b0bfa6ab

33030121131 has 24 divisors (see below), whose sum is σ = 54530870784. Its totient is φ = 18872639280.

The previous prime is 33030121127. The next prime is 33030121133. The reversal of 33030121131 is 13112103033.

It is a happy number.

33030121131 is a `hidden beast` number, since 330 + 301 + 2 + 1 + 1 + 31 = 666.

It is not a de Polignac number, because 33030121131 - 22 = 33030121127 is a prime.

It is a super-2 number, since 2×330301211312 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33030121133) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1070340 + ... + 1100766.

It is an arithmetic number, because the mean of its divisors is an integer number (2272119616).

Almost surely, 233030121131 is an apocalyptic number.

33030121131 is a deficient number, since it is larger than the sum of its proper divisors (21500749653).

33030121131 is a wasteful number, since it uses less digits than its factorization.

33030121131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47671 (or 47668 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 33030121131 its reverse (13112103033), we get a palindrome (46142224164).

The spelling of 33030121131 in words is "thirty-three billion, thirty million, one hundred twenty-one thousand, one hundred thirty-one".

Divisors: 1 3 7 9 21 63 17231 30427 51693 91281 120617 155079 212989 273843 361851 638967 1085553 1916901 524287637 1572862911 3670013459 4718588733 11010040377 33030121131