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31344242202 = 232713192934729
BaseRepresentation
bin11101001100010000…
…110010111000011010
32222220102201111000100
4131030100302320122
51003143111222302
622222131520230
72156511443220
oct351420627032
988812644010
1031344242202
111232500a0a9
1260a9159076
132c56a207a0
141734ba4b10
15c36b57d1c
hex74c432e1a

31344242202 has 192 divisors, whose sum is σ = 91020384000. Its totient is φ = 7561257984.

The previous prime is 31344242179. The next prime is 31344242203. The reversal of 31344242202 is 20224244313.

31344242202 is a `hidden beast` number, since 3 + 1 + 34 + 424 + 2 + 202 = 666.

It is not an unprimeable number, because it can be changed into a prime (31344242203) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 885174 + ... + 919902.

It is an arithmetic number, because the mean of its divisors is an integer number (474064500).

Almost surely, 231344242202 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31344242202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45510192000).

31344242202 is an abundant number, since it is smaller than the sum of its proper divisors (59676141798).

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

31344242202 is a wasteful number, since it uses less digits than its factorization.

31344242202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34805 (or 34802 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 31344242202 its reverse (20224244313), we get a palindrome (51568486515).

The spelling of 31344242202 in words is "thirty-one billion, three hundred forty-four million, two hundred forty-two thousand, two hundred two".