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31343312302 = 229395332309
BaseRepresentation
bin11101001100001101…
…001111110110101110
32222220100222020102121
4131030031033312232
51003142341443202
622222055543154
72156500521151
oct351415176656
988810866377
1031343312302
1112324534495
1260a898aaba
132c56786453
141734a01c98
15c36a22537
hex74c34fdae

31343312302 has 8 divisors (see below), whose sum is σ = 47030974200. Its totient is φ = 15666320904.

The previous prime is 31343312281. The next prime is 31343312393. The reversal of 31343312302 is 20321334313.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2660277 + ... + 2672032.

It is an arithmetic number, because the mean of its divisors is an integer number (5878871775).

Almost surely, 231343312302 is an apocalyptic number.

31343312302 is a deficient number, since it is larger than the sum of its proper divisors (15687661898).

31343312302 is a wasteful number, since it uses less digits than its factorization.

31343312302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5335250.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 31343312302 its reverse (20321334313), we get a palindrome (51664646615).

The spelling of 31343312302 in words is "thirty-one billion, three hundred forty-three million, three hundred twelve thousand, three hundred two".

Divisors: 1 2 2939 5878 5332309 10664618 15671656151 31343312302