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312201112011 = 3432420163659
BaseRepresentation
bin1001000101100001010…
…00101110100111001011
31002211211211110201220120
410202300220232213023
520103341441041021
6355231225154323
731361430444435
oct4426050564713
91084754421816
10312201112011
11110449430348
125060b62b9a3
1323595849909
1411179751655
1581c39082c6
hex48b0a2e9cb

312201112011 has 8 divisors (see below), whose sum is σ = 425948804160. Its totient is φ = 203293747272.

The previous prime is 312201111979. The next prime is 312201112061. The reversal of 312201112011 is 110211102213.

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

It is not a de Polignac number, because 312201112011 - 25 = 312201111979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (312201112061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1210081701 + ... + 1210081958.

It is an arithmetic number, because the mean of its divisors is an integer number (53243600520).

Almost surely, 2312201112011 is an apocalyptic number.

312201112011 is a deficient number, since it is larger than the sum of its proper divisors (113747692149).

312201112011 is a wasteful number, since it uses less digits than its factorization.

312201112011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2420163705.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 312201112011 its reverse (110211102213), we get a palindrome (422412214224).

The spelling of 312201112011 in words is "three hundred twelve billion, two hundred one million, one hundred twelve thousand, eleven".

Divisors: 1 3 43 129 2420163659 7260490977 104067037337 312201112011