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102331310312220 = 2235111017703199289
BaseRepresentation
bin10111010001000111011101…
…011001101000101100011100
3111102022202222221222001211020
4113101013131121220230130
5101403044010414442340
61001350204401324140
730361123156632033
oct2721073531505434
9442282887861736
10102331310312220
112a673512999250
12b5885b0936650
134513a551a9982
141b3ac0cc9571a
15bc6d13b109d0
hex5d11dd668b1c

102331310312220 has 192 divisors, whose sum is σ = 315713011461120. Its totient is φ = 24558658816000.

The previous prime is 102331310312219. The next prime is 102331310312339. The reversal of 102331310312220 is 22213013133201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 513382336 + ... + 513581624.

It is an arithmetic number, because the mean of its divisors is an integer number (1644338601360).

Almost surely, 2102331310312220 is an apocalyptic number.

102331310312220 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 102331310312220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157856505730560).

102331310312220 is an abundant number, since it is smaller than the sum of its proper divisors (213381701148900).

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

102331310312220 is a wasteful number, since it uses less digits than its factorization.

102331310312220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207116 (or 207114 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 102331310312220 its reverse (22213013133201), we get a palindrome (124544323445421).

The spelling of 102331310312220 in words is "one hundred two trillion, three hundred thirty-one billion, three hundred ten million, three hundred twelve thousand, two hundred twenty".