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311345552134 = 2155672776067
BaseRepresentation
bin1001000011111011010…
…01000001101100000110
31002202122012120210101201
410201331221001230012
520100113430132014
6355010303413114
731331301345661
oct4417551015406
91082565523351
10311345552134
1111004a4a1571
1250410bb419a
132348a512a76
14110d7c826d8
158173758e74
hex487da41b06

311345552134 has 4 divisors (see below), whose sum is σ = 467018328204. Its totient is φ = 155672776066.

The previous prime is 311345552093. The next prime is 311345552137. The reversal of 311345552134 is 431255543113.

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

It is a junction number, because it is equal to n+sod(n) for n = 311345552093 and 311345552102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311345552137) by changing a digit.

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 as a sum of consecutive naturals, namely, 77836388032 + ... + 77836388035.

It is an arithmetic number, because the mean of its divisors is an integer number (116754582051).

Almost surely, 2311345552134 is an apocalyptic number.

311345552134 is a deficient number, since it is larger than the sum of its proper divisors (155672776070).

311345552134 is a wasteful number, since it uses less digits than its factorization.

311345552134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155672776069.

The product of its digits is 108000, while the sum is 37.

The spelling of 311345552134 in words is "three hundred eleven billion, three hundred forty-five million, five hundred fifty-two thousand, one hundred thirty-four".

Divisors: 1 2 155672776067 311345552134