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31341031040430 = 23254153229769767
BaseRepresentation
bin1110010000001001001110…
…00001011010010110101110
311002222011200100012000210100
413020010213001122112232
513101442412421243210
6150353512040251530
76413212652223306
oct710044701322656
9132864610160710
1031341031040430
119a93724a66211
123622127a70ba6
1314645a60a3827
147a4cb2010606
153953bae995c0
hex1c812705a5ae

31341031040430 has 192 divisors, whose sum is σ = 85087390647168. Its totient is φ = 7996322181120.

The previous prime is 31341031040359. The next prime is 31341031040453. The reversal of 31341031040430 is 3404013014313.

31341031040430 is a `hidden beast` number, since 3 + 1 + 341 + 0 + 310 + 4 + 0 + 4 + 3 + 0 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 31341031040394 and 31341031040403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 449189407 + ... + 449259173.

It is an arithmetic number, because the mean of its divisors is an integer number (443163492954).

Almost surely, 231341031040430 is an apocalyptic number.

31341031040430 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 31341031040430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42543695323584).

31341031040430 is an abundant number, since it is smaller than the sum of its proper divisors (53746359606738).

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

31341031040430 is a wasteful number, since it uses less digits than its factorization.

31341031040430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72171 (or 72168 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 31341031040430 its reverse (3404013014313), we get a palindrome (34745044054743).

The spelling of 31341031040430 in words is "thirty-one trillion, three hundred forty-one billion, thirty-one million, forty thousand, four hundred thirty".