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31348534074 = 231121319592963
BaseRepresentation
bin11101001100100001…
…001010101100111010
32222220201210112100120
4131030201022230322
51003200211042244
622222403514110
72156563100034
oct351441125472
988821715316
1031348534074
1112327480700
1260aa688936
132c57894160
1417355a0c54
15c37204819
hex74c84ab3a

31348534074 has 192 divisors, whose sum is σ = 79473139200. Its totient is φ = 8163745920.

The previous prime is 31348534067. The next prime is 31348534081. The reversal of 31348534074 is 47043584313.

It is an interprime number because it is at equal distance from previous prime (31348534067) and next prime (31348534081).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 10578517 + ... + 10581479.

It is an arithmetic number, because the mean of its divisors is an integer number (413922600).

Almost surely, 231348534074 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31348534074, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39736569600).

31348534074 is an abundant number, since it is smaller than the sum of its proper divisors (48124605126).

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

31348534074 is a wasteful number, since it uses less digits than its factorization.

31348534074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3081 (or 3070 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 42.

The spelling of 31348534074 in words is "thirty-one billion, three hundred forty-eight million, five hundred thirty-four thousand, seventy-four".