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311032103313 = 3973069734819
BaseRepresentation
bin1001000011010101111…
…01010100000110010001
31002201211100202221110010
410201222331110012101
520043443204301223
6354515225225133
731320444154011
oct4415275240621
91081740687403
10311032103313
1110a9a9571858
12503440321a9
132343a5b66a9
14110a83abc41
158155e90393
hex486af54191

311032103313 has 16 divisors (see below), whose sum is σ = 419010509120. Its totient is φ = 205204478976.

The previous prime is 311032103297. The next prime is 311032103329. The reversal of 311032103313 is 313301230113.

It is an interprime number because it is at equal distance from previous prime (311032103297) and next prime (311032103329).

It is not a de Polignac number, because 311032103313 - 24 = 311032103297 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 311032103313.

It is not an unprimeable number, because it can be changed into a prime (311032103363) 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 in 15 ways as a sum of consecutive naturals, for example, 8915418 + ... + 8950236.

It is an arithmetic number, because the mean of its divisors is an integer number (26188156820).

Almost surely, 2311032103313 is an apocalyptic number.

It is an amenable number.

311032103313 is a deficient number, since it is larger than the sum of its proper divisors (107978405807).

311032103313 is a wasteful number, since it uses less digits than its factorization.

311032103313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65616.

The product of its (nonzero) digits is 486, while the sum is 21.

Adding to 311032103313 its reverse (313301230113), we get a palindrome (624333333426).

The spelling of 311032103313 in words is "three hundred eleven billion, thirty-two million, one hundred three thousand, three hundred thirteen".

Divisors: 1 3 97 291 30697 34819 92091 104457 2977609 3377443 8932827 10132329 1068838843 3206516529 103677367771 311032103313