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312032010121 = 1375833165299
BaseRepresentation
bin1001000101001101000…
…11101001111110001001
31002211102001021110201121
410202212203221332021
520103020143310441
6355202344515241
731354305216136
oct4424643517611
91084361243647
10312032010121
11110371a31617
1250582a7bb21
13235697c0320
14111610d358d
1581b3b53dd1
hex48a68e9f89

312032010121 has 8 divisors (see below), whose sum is σ = 336078892800. Its totient is φ = 287991473232.

The previous prime is 312032010107. The next prime is 312032010137. The reversal of 312032010121 is 121010230213.

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 312032010121 - 221 = 312029912969 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 312032010095 and 312032010104.

It is not an unprimeable number, because it can be changed into a prime (312032010221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1484071 + ... + 1681228.

It is an arithmetic number, because the mean of its divisors is an integer number (42009861600).

Almost surely, 2312032010121 is an apocalyptic number.

It is an amenable number.

312032010121 is a deficient number, since it is larger than the sum of its proper divisors (24046882679).

312032010121 is a wasteful number, since it uses less digits than its factorization.

312032010121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3172895.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 312032010121 its reverse (121010230213), we get a palindrome (433042240334).

The spelling of 312032010121 in words is "three hundred twelve billion, thirty-two million, ten thousand, one hundred twenty-one".

Divisors: 1 13 7583 98579 3165299 41148887 24002462317 312032010121