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313031210000 = 245431303121
BaseRepresentation
bin1001000111000100001…
…11010011010000010000
31002220222200110002021112
410203202013103100100
520112041442210000
6355445441112452
731421130245255
oct4434207232020
91086880402245
10313031210000
11110834a59243
1250801628728
132369880a262
1411217ab342c
158221728235
hex48e21d3410

313031210000 has 50 divisors (see below), whose sum is σ = 757879886742. Its totient is φ = 125212480000.

The previous prime is 313031209957. The next prime is 313031210027. The reversal of 313031210000 is 12130313.

It can be written as a sum of positive squares in 5 ways, for example, as 112208920576 + 200822289424 = 334976^2 + 448132^2 .

It is a tau number, because it is divible by the number of its divisors (50).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 15641561 + ... + 15661560.

Almost surely, 2313031210000 is an apocalyptic number.

It is an amenable number.

313031210000 is an abundant number, since it is smaller than the sum of its proper divisors (444848676742).

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

313031210000 is an equidigital number, since it uses as much as digits as its factorization.

313031210000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31303149 (or 31303128 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 14.

Adding to 313031210000 its reverse (12130313), we get a palindrome (313043340313).

The spelling of 313031210000 in words is "three hundred thirteen billion, thirty-one million, two hundred ten thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 125 200 250 400 500 625 1000 1250 2000 2500 5000 10000 31303121 62606242 125212484 156515605 250424968 313031210 500849936 626062420 782578025 1252124840 1565156050 2504249680 3130312100 3912890125 6260624200 7825780250 12521248400 15651560500 19564450625 31303121000 39128901250 62606242000 78257802500 156515605000 313031210000