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31344200394 = 2313401848723
BaseRepresentation
bin11101001100010000…
…101000101011001010
32222220102122100122220
4131030100220223022
51003143103403034
622222130554510
72156511210303
oct351420505312
988812570586
1031344200394
1112324a90751
1260a9138a36
132c56a07750
141734b937aa
15c36b4a749
hex74c428aca

31344200394 has 16 divisors (see below), whose sum is σ = 67510585632. Its totient is φ = 9644369328.

The previous prime is 31344200369. The next prime is 31344200423. The reversal of 31344200394 is 49300244313.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 200924284 + ... + 200924439.

It is an arithmetic number, because the mean of its divisors is an integer number (4219411602).

Almost surely, 231344200394 is an apocalyptic number.

31344200394 is an abundant number, since it is smaller than the sum of its proper divisors (36166385238).

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

31344200394 is a wasteful number, since it uses less digits than its factorization.

31344200394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401848741.

The product of its (nonzero) digits is 31104, while the sum is 33.

The spelling of 31344200394 in words is "thirty-one billion, three hundred forty-four million, two hundred thousand, three hundred ninety-four".

Divisors: 1 2 3 6 13 26 39 78 401848723 803697446 1205546169 2411092338 5224033399 10448066798 15672100197 31344200394