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1331330131330 = 251311016282543
BaseRepresentation
bin10011010111111001011…
…101011010010110000010
311201021101200112000202121
4103113321131122112002
5133303031003200310
62455334333034454
7165120413254213
oct23277135322602
94637350460677
101331330131330
11473683173611
1219602b925a2a
139870bc171a4
144861851940a
152496e6e20da
hex135f975a582

1331330131330 has 16 divisors (see below), whose sum is σ = 2414687324544. Its totient is φ = 528466921840.

The previous prime is 1331330131303. The next prime is 1331330131343. The reversal of 1331330131330 is 331310331331.

It is a junction number, because it is equal to n+sod(n) for n = 1331330131295 and 1331330131304.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 508139962 + ... + 508142581.

It is an arithmetic number, because the mean of its divisors is an integer number (150917957784).

Almost surely, 21331330131330 is an apocalyptic number.

1331330131330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1331330131330 is a deficient number, since it is larger than the sum of its proper divisors (1083357193214).

1331330131330 is a wasteful number, since it uses less digits than its factorization.

1331330131330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1016282681.

The product of its (nonzero) digits is 2187, while the sum is 25.

Adding to 1331330131330 its reverse (331310331331), we get a palindrome (1662640462661).

The spelling of 1331330131330 in words is "one trillion, three hundred thirty-one billion, three hundred thirty million, one hundred thirty-one thousand, three hundred thirty".

Divisors: 1 2 5 10 131 262 655 1310 1016282543 2032565086 5081412715 10162825430 133133013133 266266026266 665665065665 1331330131330