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2011424331 = 37199747963
BaseRepresentation
bin111011111100011…
…1110011001001011
312012011211221110110
41313320332121023
513104411034311
6531331445403
7100562552610
oct16770763113
95164757413
102011424331
1194243a964
12481756863
13260947317
141511d0507
15bb8bc8a6
hex77e3e64b

2011424331 has 16 divisors (see below), whose sum is σ = 3066626304. Its totient is φ = 1148785824.

The previous prime is 2011424329. The next prime is 2011424333. The reversal of 2011424331 is 1334241102.

It is an interprime number because it is at equal distance from previous prime (2011424329) and next prime (2011424333).

It is not a de Polignac number, because 2011424331 - 21 = 2011424329 is a prime.

It is a super-2 number, since 2×20114243312 = 8091655678677595122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 2011424298 and 2011424307.

It is not an unprimeable number, because it can be changed into a prime (2011424333) 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, 17956 + ... + 65918.

It is an arithmetic number, because the mean of its divisors is an integer number (191664144).

Almost surely, 22011424331 is an apocalyptic number.

2011424331 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2011424331 is a deficient number, since it is larger than the sum of its proper divisors (1055201973).

2011424331 is a wasteful number, since it uses less digits than its factorization.

2011424331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49970.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 2011424331 is about 44848.9055719312. The cubic root of 2011424331 is about 1262.3154557693.

Adding to 2011424331 its reverse (1334241102), we get a palindrome (3345665433).

The spelling of 2011424331 in words is "two billion, eleven million, four hundred twenty-four thousand, three hundred thirty-one".

Divisors: 1 3 7 21 1997 5991 13979 41937 47963 143889 335741 1007223 95782111 287346333 670474777 2011424331