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311032423141 = 1140829692539
BaseRepresentation
bin1001000011010101111…
…10100010001011100101
31002201211101101012011121
410201222332202023211
520043443300020031
6354515240133541
731320446655316
oct4415276421345
91081741335147
10311032423141
1110a9a9770080
12503441672b1
132343a69913b
14110a845260d
158156005011
hex486afa22e5

311032423141 has 8 divisors (see below), whose sum is σ = 339316898400. Its totient is φ = 282749414640.

The previous prime is 311032423139. The next prime is 311032423189. The reversal of 311032423141 is 141324230113.

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

It is not a de Polignac number, because 311032423141 - 21 = 311032423139 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311032424141) 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 7 ways as a sum of consecutive naturals, for example, 102850 + ... + 795388.

It is an arithmetic number, because the mean of its divisors is an integer number (42414612300).

Almost surely, 2311032423141 is an apocalyptic number.

It is an amenable number.

311032423141 is a deficient number, since it is larger than the sum of its proper divisors (28284475259).

311032423141 is a wasteful number, since it uses less digits than its factorization.

311032423141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 733379.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 311032423141 its reverse (141324230113), we get a palindrome (452356653254).

The spelling of 311032423141 in words is "three hundred eleven billion, thirty-two million, four hundred twenty-three thousand, one hundred forty-one".

Divisors: 1 11 40829 449119 692539 7617929 28275674831 311032423141