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313043231109 = 3743973945949
BaseRepresentation
bin1001000111000101101…
…01001010000110000101
31002221000112001211010210
410203202311022012011
520112103031343414
6355450550510033
731421334363240
oct4434265120605
91087015054123
10313043231109
11110840819944
1250805665319
132369b158a3b
1411219522257
1582227eee59
hex48e2d4a185

313043231109 has 32 divisors (see below), whose sum is σ = 478762240000. Its totient is φ = 178228983744.

The previous prime is 313043231093. The next prime is 313043231197. The reversal of 313043231109 is 901132340313.

It is not a de Polignac number, because 313043231109 - 24 = 313043231093 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 (313043239109) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6789867 + ... + 6835815.

It is an arithmetic number, because the mean of its divisors is an integer number (14961320000).

Almost surely, 2313043231109 is an apocalyptic number.

It is an amenable number.

313043231109 is a deficient number, since it is larger than the sum of its proper divisors (165719008891).

313043231109 is a wasteful number, since it uses less digits than its factorization.

313043231109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47137.

The product of its (nonzero) digits is 5832, while the sum is 30.

The spelling of 313043231109 in words is "three hundred thirteen billion, forty-three million, two hundred thirty-one thousand, one hundred nine".

Divisors: 1 3 7 21 439 739 1317 2217 3073 5173 9219 15519 45949 137847 321643 324421 964929 973263 2270947 6812841 20171611 33956311 60514833 101868933 141201277 237694177 423603831 713082531 14906820529 44720461587 104347743703 313043231109