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31300424141140 = 225711372099261707
BaseRepresentation
bin1110001110111101100101…
…01010011000100101010100
311002211021212101010210222101
413013132302222120211110
513100311232040004030
6150323114421411444
76410244455246650
oct707366252304524
9132737771123871
1031300424141140
119a78487477810
123616294869b84
13146080437b27b
147a2d3cdc1a60
153942e10807ca
hex1c77b2a98954

31300424141140 has 192 divisors, whose sum is σ = 84205491148800. Its totient is φ = 9487742768640.

The previous prime is 31300424141117. The next prime is 31300424141191. The reversal of 31300424141140 is 4114142400313.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 31300424141099 and 31300424141108.

It is a congruent number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 119470167 + ... + 119731873.

It is an arithmetic number, because the mean of its divisors is an integer number (438570266400).

Almost surely, 231300424141140 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31300424141140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42102745574400).

31300424141140 is an abundant number, since it is smaller than the sum of its proper divisors (52905067007660).

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

31300424141140 is a wasteful number, since it uses less digits than its factorization.

31300424141140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263870 (or 263868 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 31300424141140 its reverse (4114142400313), we get a palindrome (35414566541453).

The spelling of 31300424141140 in words is "thirty-one trillion, three hundred billion, four hundred twenty-four million, one hundred forty-one thousand, one hundred forty".