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313323025311157 = 1420931220505447
BaseRepresentation
bin100011100111101110011001…
…1100111111010010110110101
31112002101101111100120010211211
41013033130303213322112311
5312031441023434424112
63030214335530201421
7122665561440213151
oct10717346347722665
91462341440503754
10313323025311157
119091a604523594
122b184127283271
13105aa3082a09b4
145752cb599a061
1526353b6d140a7
hex11cf7339fa5b5

313323025311157 has 4 divisors (see below), whose sum is σ = 313323247237536. Its totient is φ = 313322803384780.

The previous prime is 313323025311071. The next prime is 313323025311181. The reversal of 313323025311157 is 751113520323313.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 313323025311157 - 231 = 313320877827509 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 (313323025371157) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108831793 + ... + 111673654.

It is an arithmetic number, because the mean of its divisors is an integer number (78330811809384).

Almost surely, 2313323025311157 is an apocalyptic number.

It is an amenable number.

313323025311157 is a deficient number, since it is larger than the sum of its proper divisors (221926379).

313323025311157 is a wasteful number, since it uses less digits than its factorization.

313323025311157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221926378.

The product of its (nonzero) digits is 170100, while the sum is 40.

The spelling of 313323025311157 in words is "three hundred thirteen trillion, three hundred twenty-three billion, twenty-five million, three hundred eleven thousand, one hundred fifty-seven".

Divisors: 1 1420931 220505447 313323025311157