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31347763483 = 37982711777
BaseRepresentation
bin11101001100011110…
…001110100100011011
32222220200100101022011
4131030132032210123
51003200011412413
622222335210351
72156553410311
oct351436164433
988820311264
1031347763483
1112326aa4753
1260aa3769b7
132c5768449a
1417354400b1
15c3710133d
hex74c78e91b

31347763483 has 4 divisors (see below), whose sum is σ = 31430475640. Its totient is φ = 31265051328.

The previous prime is 31347763481. The next prime is 31347763501. The reversal of 31347763483 is 38436774313.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 31347763483 - 21 = 31347763481 is a prime.

It is a super-2 number, since 2×313477634832 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31347763481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41355510 + ... + 41356267.

It is an arithmetic number, because the mean of its divisors is an integer number (7857618910).

Almost surely, 231347763483 is an apocalyptic number.

31347763483 is a deficient number, since it is larger than the sum of its proper divisors (82712157).

31347763483 is an equidigital number, since it uses as much as digits as its factorization.

31347763483 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82712156.

The product of its digits is 3048192, while the sum is 49.

The spelling of 31347763483 in words is "thirty-one billion, three hundred forty-seven million, seven hundred sixty-three thousand, four hundred eighty-three".

Divisors: 1 379 82711777 31347763483