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312110112030 = 23531335602271
BaseRepresentation
bin1001000101010110011…
…01100101110100011110
31002211121111020110101220
410202223031211310132
520103200142041110
6355214214514210
731356244115403
oct4425315456436
91084544213356
10312110112030
11110402026752
12505a5065966
132357ca37782
141116b6242aa
1581ba930370
hex48ab365d1e

312110112030 has 32 divisors (see below), whose sum is σ = 773227634688. Its totient is φ = 80544544800.

The previous prime is 312110112011. The next prime is 312110112031. The reversal of 312110112030 is 30211011213.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312110112031) 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, 167800206 + ... + 167802065.

It is an arithmetic number, because the mean of its divisors is an integer number (24163363584).

Almost surely, 2312110112030 is an apocalyptic number.

312110112030 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

312110112030 is an abundant number, since it is smaller than the sum of its proper divisors (461117522658).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

312110112030 is a wasteful number, since it uses less digits than its factorization.

312110112030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335602312.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 312110112030 its reverse (30211011213), we get a palindrome (342321123243).

The spelling of 312110112030 in words is "three hundred twelve billion, one hundred ten million, one hundred twelve thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 31 62 93 155 186 310 465 930 335602271 671204542 1006806813 1678011355 2013613626 3356022710 5034034065 10068068130 10403670401 20807340802 31211011203 52018352005 62422022406 104036704010 156055056015 312110112030