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1132220031 = 37113140577
BaseRepresentation
bin100001101111100…
…0100111001111111
32220220110201220020
41003133010321333
54304322020111
6304203223223
740025466015
oct10337047177
92826421806
101132220031
11531121738
12277217b13
131507522a7
14aa5288b5
15695ec906
hex437c4e7f

1132220031 has 16 divisors (see below), whose sum is σ = 1542613248. Its totient is φ = 738483200.

The previous prime is 1132219967. The next prime is 1132220039. The reversal of 1132220031 is 1300222311.

It is a cyclic number.

It is not a de Polignac number, because 1132220031 - 26 = 1132219967 is a prime.

It is a super-2 number, since 2×11322200312 = 2563844397195281922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1132220039) 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 15 ways as a sum of consecutive naturals, for example, 7615 + ... + 48191.

It is an arithmetic number, because the mean of its divisors is an integer number (96413328).

Almost surely, 21132220031 is an apocalyptic number.

1132220031 is a deficient number, since it is larger than the sum of its proper divisors (410393217).

1132220031 is a wasteful number, since it uses less digits than its factorization.

1132220031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40782.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1132220031 is about 33648.4773949729. The cubic root of 1132220031 is about 1042.2620975464.

Adding to 1132220031 its reverse (1300222311), we get a palindrome (2432442342).

The spelling of 1132220031 in words is "one billion, one hundred thirty-two million, two hundred twenty thousand, thirty-one".

Divisors: 1 3 71 131 213 393 9301 27903 40577 121731 2880967 5315587 8642901 15946761 377406677 1132220031