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31300300240412 = 22736723771281431
BaseRepresentation
bin1110001110111101010110…
…10001101111011000011100
311002211021112202000000010112
413013132223101233120130
513100311003330143122
6150323054234025152
76410241422151230
oct707365321573034
9132737482000115
1031300300240412
119a78423541315
12361625b2781b8
1314607b47b9a28
147a2d2a76c5c0
153942d52592e2
hex1c77ab46f61c

31300300240412 has 48 divisors (see below), whose sum is σ = 62797631059968. Its totient is φ = 13372224370560.

The previous prime is 31300300240411. The next prime is 31300300240421. The reversal of 31300300240412 is 21404200300313.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31300300240411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23785337 + ... + 25066767.

It is an arithmetic number, because the mean of its divisors is an integer number (1308283980416).

Almost surely, 231300300240412 is an apocalyptic number.

It is an amenable number.

31300300240412 is an abundant number, since it is smaller than the sum of its proper divisors (31497330819556).

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

31300300240412 is a wasteful number, since it uses less digits than its factorization.

31300300240412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1284186 (or 1284184 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 31300300240412 its reverse (21404200300313), we get a palindrome (52704500540725).

The spelling of 31300300240412 in words is "thirty-one trillion, three hundred billion, three hundred million, two hundred forty thousand, four hundred twelve".

Divisors: 1 2 4 7 14 28 367 734 1468 2377 2569 4754 5138 9508 10276 16639 33278 66556 872359 1281431 1744718 2562862 3489436 5125724 6106513 8970017 12213026 17940034 24426052 35880068 470285177 940570354 1881140708 3045961487 3291996239 6091922974 6583992478 12183845948 13167984956 21321730409 42643460818 85286921636 1117867865729 2235735731458 4471471462916 7825075060103 15650150120206 31300300240412