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31344343402233 = 373693141778927
BaseRepresentation
bin1110010000001111011000…
…11101000100011011111001
311002222111020011222102222010
413020013230131010123321
513102021203402332413
6150355220443520133
76413361022642641
oct710075435043371
9132874204872863
1031344343402233
119a95074783704
1236228b1229049
1314649b33c3724
147a5107cc7521
15395511b8edc3
hex1c81ec7446f9

31344343402233 has 8 divisors (see below), whose sum is σ = 41793025280128. Its totient is φ = 20895945229584.

The previous prime is 31344343402231. The next prime is 31344343402241. The reversal of 31344343402233 is 33220434344313.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 31344343402233 - 21 = 31344343402231 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31344343402191 and 31344343402200.

It is not an unprimeable number, because it can be changed into a prime (31344343402231) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 70668385 + ... + 71110542.

It is an arithmetic number, because the mean of its divisors is an integer number (5224128160016).

Almost surely, 231344343402233 is an apocalyptic number.

It is an amenable number.

31344343402233 is a deficient number, since it is larger than the sum of its proper divisors (10448681877895).

31344343402233 is a wasteful number, since it uses less digits than its factorization.

31344343402233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141852623.

The product of its (nonzero) digits is 746496, while the sum is 39.

Adding to 31344343402233 its reverse (33220434344313), we get a palindrome (64564777746546).

The spelling of 31344343402233 in words is "thirty-one trillion, three hundred forty-four billion, three hundred forty-three million, four hundred two thousand, two hundred thirty-three".

Divisors: 1 3 73693 221079 141778927 425336781 10448114467411 31344343402233