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313102021204 = 22747237919469
BaseRepresentation
bin1001000111001100101…
…01011011001001010100
31002221011121200122222201
410203212111123021110
520112213104134304
6355500450534244
731422650161030
oct4434625331124
91087147618881
10313102021204
11110870a237a5
1250821297384
13236aa3a108b
14112232671c0
158227a643a4
hex48e655b254

313102021204 has 24 divisors (see below), whose sum is σ = 639527535360. Its totient is φ = 131331546336.

The previous prime is 313102021189. The next prime is 313102021207. The reversal of 313102021204 is 402120201313.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313102021207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118958419 + ... + 118961050.

It is an arithmetic number, because the mean of its divisors is an integer number (26646980640).

Almost surely, 2313102021204 is an apocalyptic number.

It is an amenable number.

313102021204 is an abundant number, since it is smaller than the sum of its proper divisors (326425514156).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

313102021204 is a wasteful number, since it uses less digits than its factorization.

313102021204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237919527 (or 237919525 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 313102021204 its reverse (402120201313), we get a palindrome (715222222517).

The spelling of 313102021204 in words is "three hundred thirteen billion, one hundred two million, twenty-one thousand, two hundred four".

Divisors: 1 2 4 7 14 28 47 94 188 329 658 1316 237919469 475838938 951677876 1665436283 3330872566 6661745132 11182215043 22364430086 44728860172 78275505301 156551010602 313102021204