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331401314244 = 22371113414315649
BaseRepresentation
bin1001101001010010000…
…11101011111111000100
31011200101221001001212210
410310221003223333010
520412202214023434
6412124344143420
732641301456430
oct4645103537704
91150357031783
10331401314244
11118601447480
1254289767b70
1325335612720
141207b7219c0
15894933bee9
hex4d290ebfc4

331401314244 has 384 divisors, whose sum is σ = 1088362598400. Its totient is φ = 75711283200.

The previous prime is 331401314243. The next prime is 331401314261. The reversal of 331401314244 is 442413104133.

It is not an unprimeable number, because it can be changed into a prime (331401314243) 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, 21169332 + ... + 21184980.

It is an arithmetic number, because the mean of its divisors is an integer number (2834277600).

Almost surely, 2331401314244 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 331401314244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (544181299200).

331401314244 is an abundant number, since it is smaller than the sum of its proper divisors (756961284156).

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

331401314244 is a wasteful number, since it uses less digits than its factorization.

331401314244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15771 (or 15769 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 331401314244 its reverse (442413104133), we get a palindrome (773814418377).

The spelling of 331401314244 in words is "three hundred thirty-one billion, four hundred one million, three hundred fourteen thousand, two hundred forty-four".