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1331020102 = 27123933917
BaseRepresentation
bin100111101010101…
…1100000101000110
310102202112211022211
41033111130011012
510211220120402
6340024214034
744661325036
oct11725340506
93382484284
101331020102
11623365115
1231190a31a
131829a9379
14c8ab78c6
157bcbb4d7
hex4f55c146

1331020102 has 16 divisors (see below), whose sum is σ = 2026013472. Its totient is φ = 655695040.

The previous prime is 1331020099. The next prime is 1331020109. The reversal of 1331020102 is 2010201331.

It is a super-2 number, since 2×13310201022 = 3543229023856180808, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331020109) 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, 337848 + ... + 341764.

It is an arithmetic number, because the mean of its divisors is an integer number (126625842).

Almost surely, 21331020102 is an apocalyptic number.

1331020102 is a deficient number, since it is larger than the sum of its proper divisors (694993370).

1331020102 is a wasteful number, since it uses less digits than its factorization.

1331020102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6383.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 1331020102 is about 36483.1481920078. The cubic root of 1331020102 is about 1100.0055377132.

Adding to 1331020102 its reverse (2010201331), we get a palindrome (3341221433).

The spelling of 1331020102 in words is "one billion, three hundred thirty-one million, twenty thousand, one hundred two".

Divisors: 1 2 71 142 2393 3917 4786 7834 169903 278107 339806 556214 9373381 18746762 665510051 1331020102