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331000000133 = 111131559170809
BaseRepresentation
bin1001101000100010010…
…00110010111010000101
31011122100221220012102012
410310101020302322011
520410342000001013
6412020450424005
732625326402435
oct4642110627205
91148327805365
10331000000133
11118415964220
1254197292005
13252a0430c5a
14120402d82c5
158923eb91a8
hex4d11232e85

331000000133 has 16 divisors (see below), whose sum is σ = 364522204800. Its totient is φ = 298053127680.

The previous prime is 331000000117. The next prime is 331000000181.

331000000133 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 331000000133 - 24 = 331000000117 is a prime.

It is a super-2 number, since 2×3310000001332 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331000000183) 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, 1852433 + ... + 2023241.

It is an arithmetic number, because the mean of its divisors is an integer number (22782637800).

Almost surely, 2331000000133 is an apocalyptic number.

It is an amenable number.

331000000133 is a deficient number, since it is larger than the sum of its proper divisors (33522204667).

331000000133 is a wasteful number, since it uses less digits than its factorization.

331000000133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172492.

The product of its (nonzero) digits is 81, while the sum is 14.

It can be divided in two parts, 331000000 and 133, that added together give a palindrome (331000133).

The spelling of 331000000133 in words is "three hundred thirty-one billion, one hundred thirty-three", and thus it is an aban number.

Divisors: 1 11 113 1243 1559 17149 170809 176167 1878899 1937837 19301417 212315587 266291231 2929203541 30090909103 331000000133