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1331012202 = 231331154869
BaseRepresentation
bin100111101010101…
…1010001001101010
310102202112102111020
41033111122021222
510211214342302
6340024113310
744661263022
oct11725321152
93382472436
101331012202
1162335a193
12311905836
131829a58b0
14c8ab4a82
157bcb8ebc
hex4f55a26a

1331012202 has 32 divisors (see below), whose sum is σ = 2876065920. Its totient is φ = 408217920.

The previous prime is 1331012201. The next prime is 1331012203. The reversal of 1331012202 is 2022101331.

It is an interprime number because it is at equal distance from previous prime (1331012201) and next prime (1331012203).

It is a super-3 number, since 3×13310122023 (a number of 28 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1331012201) 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, 3177 + ... + 51692.

It is an arithmetic number, because the mean of its divisors is an integer number (89877060).

Almost surely, 21331012202 is an apocalyptic number.

1331012202 is an abundant number, since it is smaller than the sum of its proper divisors (1545053718).

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

1331012202 is a wasteful number, since it uses less digits than its factorization.

1331012202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55198.

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

The square root of 1331012202 is about 36483.0399226819. The cubic root of 1331012202 is about 1100.0033614222.

Adding to 1331012202 its reverse (2022101331), we get a palindrome (3353113533).

The spelling of 1331012202 in words is "one billion, three hundred thirty-one million, twelve thousand, two hundred two".

Divisors: 1 2 3 6 13 26 39 78 311 622 933 1866 4043 8086 12129 24258 54869 109738 164607 329214 713297 1426594 2139891 4279782 17064259 34128518 51192777 102385554 221835367 443670734 665506101 1331012202