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312030112133 = 22311811184791
BaseRepresentation
bin1001000101001100111…
…00011010100110000101
31002211101220201001011202
410202212130122212011
520103014202042013
6355202240112245
731354253122505
oct4424634324605
91084356631152
10312030112133
11110370955633
1250582305685
13235692a745c
1411160b5ba05
1581b38cb858
hex48a671a985

312030112133 has 8 divisors (see below), whose sum is σ = 313695008256. Its totient is φ = 310367588400.

The previous prime is 312030112129. The next prime is 312030112153. The reversal of 312030112133 is 331211030213.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 312030112133 - 22 = 312030112129 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312030112153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 329033 + ... + 855758.

It is an arithmetic number, because the mean of its divisors is an integer number (39211876032).

Almost surely, 2312030112133 is an apocalyptic number.

It is an amenable number.

312030112133 is a deficient number, since it is larger than the sum of its proper divisors (1664896123).

312030112133 is a wasteful number, since it uses less digits than its factorization.

312030112133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1186195.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 312030112133 its reverse (331211030213), we get a palindrome (643241142346).

The spelling of 312030112133 in words is "three hundred twelve billion, thirty million, one hundred twelve thousand, one hundred thirty-three".

Divisors: 1 223 1181 263363 1184791 264208393 1399238171 312030112133