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1331303012430 = 235115973826573
BaseRepresentation
bin10011010111110111110…
…101111101100001001110
311201021022210111020121220
4103113313311331201032
5133303002032344210
62455331523504210
7165116633615316
oct23276765754116
94637283436556
101331303012430
114736699307a6
12196022828066
13987064106c1
1448614a9a446
152496c136c70
hex135f7d7d84e

1331303012430 has 32 divisors (see below), whose sum is σ = 3195403578144. Its totient is φ = 354983431296.

The previous prime is 1331303012411. The next prime is 1331303012447. The reversal of 1331303012430 is 342103031331.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1331303012430.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1565377 + ... + 2261196.

It is an arithmetic number, because the mean of its divisors is an integer number (99856361817).

Almost surely, 21331303012430 is an apocalyptic number.

1331303012430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1331303012430 is an abundant number, since it is smaller than the sum of its proper divisors (1864100565714).

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

1331303012430 is a wasteful number, since it uses less digits than its factorization.

1331303012430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3838180.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 1331303012430 its reverse (342103031331), we get a palindrome (1673406043761).

The spelling of 1331303012430 in words is "one trillion, three hundred thirty-one billion, three hundred three million, twelve thousand, four hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 11597 23194 34791 57985 69582 115970 173955 347910 3826573 7653146 11479719 19132865 22959438 38265730 57398595 114797190 44376767081 88753534162 133130301243 221883835405 266260602486 443767670810 665651506215 1331303012430