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33013141331 = 37892247063
BaseRepresentation
bin11110101111101111…
…001000111101010011
310011012202001100020012
4132233233020331103
51020102331010311
623055510105135
72246045033312
oct365757107523
9104182040205
1033013141331
111300106a785
12649404b1ab
1331616cac71
1418526b2279
15cd341678b
hex7afbc8f53

33013141331 has 4 divisors (see below), whose sum is σ = 33905388432. Its totient is φ = 32120894232.

The previous prime is 33013141261. The next prime is 33013141363. The reversal of 33013141331 is 13314131033.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13314131033 = 71902018719.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-33013141331 is a prime.

It is a super-2 number, since 2×330131413312 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 33013141297 and 33013141306.

It is not an unprimeable number, because it can be changed into a prime (33013191331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 446123495 + ... + 446123568.

It is an arithmetic number, because the mean of its divisors is an integer number (8476347108).

Almost surely, 233013141331 is an apocalyptic number.

33013141331 is a deficient number, since it is larger than the sum of its proper divisors (892247101).

33013141331 is an equidigital number, since it uses as much as digits as its factorization.

33013141331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 892247100.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 33013141331 its reverse (13314131033), we get a palindrome (46327272364).

The spelling of 33013141331 in words is "thirty-three billion, thirteen million, one hundred forty-one thousand, three hundred thirty-one".

Divisors: 1 37 892247063 33013141331