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313261121125 = 5329831041167
BaseRepresentation
bin1001000111011111101…
…00010101111001100101
31002221120201001210001101
410203233310111321211
520113024321334000
6355524333000101
731426621411141
oct4435764257145
91087521053041
10313261121125
11110942810937
1250866623031
1323704337c44
141123a440221
1582369dee6a
hex48efd15e65

313261121125 has 32 divisors (see below), whose sum is σ = 409303964160. Its totient is φ = 239051713600.

The previous prime is 313261121101. The next prime is 313261121171. The reversal of 313261121125 is 521121162313.

It is not a de Polignac number, because 313261121125 - 231 = 311113637477 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 313261121093 and 313261121102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 219709 + ... + 821458.

It is an arithmetic number, because the mean of its divisors is an integer number (12790748880).

Almost surely, 2313261121125 is an apocalyptic number.

It is an amenable number.

313261121125 is a deficient number, since it is larger than the sum of its proper divisors (96042843035).

313261121125 is a wasteful number, since it uses less digits than its factorization.

313261121125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1041294 (or 1041284 counting only the distinct ones).

The product of its digits is 2160, while the sum is 28.

Adding to 313261121125 its reverse (521121162313), we get a palindrome (834382283438).

The spelling of 313261121125 in words is "three hundred thirteen billion, two hundred sixty-one million, one hundred twenty-one thousand, one hundred twenty-five".

Divisors: 1 5 25 29 83 125 145 415 725 2075 2407 3625 10375 12035 60175 300875 1041167 5205835 26029175 30193843 86416861 130145875 150969215 432084305 754846075 2160421525 2506088969 3774230375 10802107625 12530444845 62652224225 313261121125