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1313130303030 = 235713377922083
BaseRepresentation
bin10011000110111100101…
…010100100111000110110
311122112102022022221211210
4103012330222210320312
5133003242324144110
62443124351342250
7163604410261260
oct23067452447066
94575368287753
101313130303030
114669939061a7
121925b0821986
1396a9b48c810
14477ad352b30
1524256a15520
hex131bcaa4e36

1313130303030 has 384 divisors, whose sum is σ = 4036617704448. Its totient is φ = 266028033024.

The previous prime is 1313130303007. The next prime is 1313130303031. The reversal of 1313130303030 is 303030313131.

It is a super-2 number, since 2×13131303030302 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 1313130302988 and 1313130303006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313130303031) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 630402369 + ... + 630404451.

It is an arithmetic number, because the mean of its divisors is an integer number (10512025272).

Almost surely, 21313130303030 is an apocalyptic number.

1313130303030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1313130303030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2018308852224).

1313130303030 is an abundant number, since it is smaller than the sum of its proper divisors (2723487401418).

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

1313130303030 is a wasteful number, since it uses less digits than its factorization.

1313130303030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2308 (or 2229 counting only the distinct ones).

The product of its (nonzero) digits is 729, while the sum is 21.

Adding to 1313130303030 its reverse (303030313131), we get a palindrome (1616160616161).

The spelling of 1313130303030 in words is "one trillion, three hundred thirteen billion, one hundred thirty million, three hundred three thousand, thirty".