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113131001023213 = 3712752923975681
BaseRepresentation
bin11001101110010001011101…
…001000010000101011101101
3112211120012212222100112212211
4121232101131020100223231
5104312014242230220323
61040335355301530421
732554305445223215
oct3156213510205355
9484505788315784
10113131001023213
1133057651838608
1210831667413a11
134b182911b09c4
141dd17d9239245
15d12be4aee70d
hex66e45d210aed

113131001023213 has 8 divisors (see below), whose sum is σ = 116189511567480. Its totient is φ = 110072538685440.

The previous prime is 113131001023147. The next prime is 113131001023223. The reversal of 113131001023213 is 312320100131311.

It can be written as a sum of positive squares in 4 ways, for example, as 53139113756964 + 59991887266249 = 7289658^2 + 7745443^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-113131001023213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113131001023223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7269268 + ... + 16706413.

It is an arithmetic number, because the mean of its divisors is an integer number (14523688945935).

Almost surely, 2113131001023213 is an apocalyptic number.

It is an amenable number.

113131001023213 is a deficient number, since it is larger than the sum of its proper divisors (3058510544267).

113131001023213 is a wasteful number, since it uses less digits than its factorization.

113131001023213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24103247.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 113131001023213 its reverse (312320100131311), we get a palindrome (425451101154524).

The spelling of 113131001023213 in words is "one hundred thirteen trillion, one hundred thirty-one billion, one million, twenty-three thousand, two hundred thirteen".

Divisors: 1 37 127529 4718573 23975681 887100197 3057594622249 113131001023213