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1312031314100 = 2252132731517043
BaseRepresentation
bin10011000101111011001…
…010010001000010110100
311122102120201101112110002
4103011323022101002310
5132444020004022400
62442423332250432
7163535234106023
oct23057312210264
94572521345402
101312031314100
1146647a521591
12192344770a18
13969548a4100
14477073d88ba
15241e02cded5
hex1317b2910b4

1312031314100 has 216 divisors, whose sum is σ = 3146338746432. Its totient is φ = 474574464000.

The previous prime is 1312031314079. The next prime is 1312031314127. The reversal of 1312031314100 is 14131302131.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 186285179 + ... + 186292221.

Almost surely, 21312031314100 is an apocalyptic number.

1312031314100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1312031314100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1573169373216).

1312031314100 is an abundant number, since it is smaller than the sum of its proper divisors (1834307432332).

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

1312031314100 is a wasteful number, since it uses less digits than its factorization.

1312031314100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7307 (or 7287 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1312031314100 its reverse (14131302131), we get a palindrome (1326162616231).

The spelling of 1312031314100 in words is "one trillion, three hundred twelve billion, thirty-one million, three hundred fourteen thousand, one hundred".