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131210002243320 = 2335711134451245411
BaseRepresentation
bin11101110101010110110101…
…100100110001111011111000
3122012120112221122201000010120
4131311112311210301323320
5114144221041033241240
61143021013133213240
736431416113111660
oct3565266544617370
9565515848630116
10131210002243320
11388979386a0810
1212871464331220
13582a086164460
142458852c711a0
151028117436ad0
hex7755b5931ef8

131210002243320 has 512 divisors, whose sum is σ = 528631112540160. Its totient is φ = 25161396480000.

The previous prime is 131210002243319. The next prime is 131210002243321. The reversal of 131210002243320 is 23342200012131.

It is an interprime number because it is at equal distance from previous prime (131210002243319) and next prime (131210002243321).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131210002243321) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 534531415 + ... + 534776825.

It is an arithmetic number, because the mean of its divisors is an integer number (1032482641680).

Almost surely, 2131210002243320 is an apocalyptic number.

131210002243320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131210002243320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (264315556270080).

131210002243320 is an abundant number, since it is smaller than the sum of its proper divisors (397421110296840).

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

131210002243320 is a wasteful number, since it uses less digits than its factorization.

131210002243320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249907 (or 249903 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 131210002243320 its reverse (23342200012131), we get a palindrome (154552202255451).

The spelling of 131210002243320 in words is "one hundred thirty-one trillion, two hundred ten billion, two million, two hundred forty-three thousand, three hundred twenty".