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1331330333331 = 31477130043787
BaseRepresentation
bin10011010111111001011…
…110001011101010010011
311201021101200220021212010
4103113321132023222103
5133303031031131311
62455334341234003
7165120415055145
oct23277136135223
94637350807763
101331330333331
114736832a1359
1219602ba02903
139870bc8810b
144861856cc95
152496e731da6
hex135f978ba93

1331330333331 has 8 divisors (see below), whose sum is σ = 1775227345344. Its totient is φ = 887493438440.

The previous prime is 1331330333329. The next prime is 1331330333353. The reversal of 1331330333331 is 1333330331331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1331330333331 - 21 = 1331330333329 is a prime.

It is a super-2 number, since 2×13313303333312 (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1331330333321) 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, 14977581 + ... + 15066206.

It is an arithmetic number, because the mean of its divisors is an integer number (221903418168).

Almost surely, 21331330333331 is an apocalyptic number.

1331330333331 is a deficient number, since it is larger than the sum of its proper divisors (443897012013).

1331330333331 is a wasteful number, since it uses less digits than its factorization.

1331330333331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30058561.

The product of its (nonzero) digits is 19683, while the sum is 30.

Adding to 1331330333331 its reverse (1333330331331), we get a palindrome (2664660664662).

It can be divided in two parts, 1331330 and 333331, that added together give a palindrome (1664661).

The spelling of 1331330333331 in words is "one trillion, three hundred thirty-one billion, three hundred thirty million, three hundred thirty-three thousand, three hundred thirty-one".

Divisors: 1 3 14771 44313 30043787 90131361 443776777777 1331330333331