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2231013132 = 22352295281
BaseRepresentation
bin1000010011111010…
…1000111100001100
312202111001012200000
42010332220330030
514032114410012
61005214204300
7106200204315
oct20476507414
95674035600
102231013132
11a45392207
125231b3690
1329729c81a
1417243160c
15d0ce5ddc
hex84fa8f0c

2231013132 has 36 divisors (see below), whose sum is σ = 5848378536. Its totient is φ = 743670720.

The previous prime is 2231013097. The next prime is 2231013223. The reversal of 2231013132 is 2313101322.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-3 number, since 3×22310131323 (a number of 29 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1146669 + ... + 1148612.

Almost surely, 22231013132 is an apocalyptic number.

It is an amenable number.

2231013132 is an abundant number, since it is smaller than the sum of its proper divisors (3617365404).

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

2231013132 is a wasteful number, since it uses less digits than its factorization.

2231013132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2295300 (or 2295286 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 2231013132 is about 47233.6017258900. The cubic root of 2231013132 is about 1306.6743787145.

Adding to 2231013132 its reverse (2313101322), we get a palindrome (4544114454).

The spelling of 2231013132 in words is "two billion, two hundred thirty-one million, thirteen thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 81 108 162 243 324 486 972 2295281 4590562 6885843 9181124 13771686 20657529 27543372 41315058 61972587 82630116 123945174 185917761 247890348 371835522 557753283 743671044 1115506566 2231013132