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313031233212001 = 19726956511045307
BaseRepresentation
bin100011100101100110100001…
…1011101011000111001100001
31112001100111022212020200100021
41013023031003131120321201
5312012200431200241001
63025432321400553441
7122635521526252543
oct10713150335307141
91461314285220307
10313031233212001
1190817889493717
122b137672782881
1310588945aa7765
145742b1499d693
15262c9da01aba1
hex11cb343758e61

313031233212001 has 16 divisors (see below), whose sum is σ = 315846000423360. Its totient is φ = 310229259659200.

The previous prime is 313031233211969. The next prime is 313031233212041. The reversal of 313031233212001 is 100212332130313.

It is a cyclic number.

It is not a de Polignac number, because 313031233212001 - 25 = 313031233211969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (313031233212041) 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, 298940790 + ... + 299986096.

It is an arithmetic number, because the mean of its divisors is an integer number (19740375026460).

Almost surely, 2313031233212001 is an apocalyptic number.

It is an amenable number.

313031233212001 is a deficient number, since it is larger than the sum of its proper divisors (2814767211359).

313031233212001 is a wasteful number, since it uses less digits than its factorization.

313031233212001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1051424.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 313031233212001 its reverse (100212332130313), we get a palindrome (413243565342314).

The spelling of 313031233212001 in words is "three hundred thirteen trillion, thirty-one billion, two hundred thirty-three million, two hundred twelve thousand, one".

Divisors: 1 197 269 5651 52993 1045307 1113247 1520119 205925479 281187583 299463443 5907029857 55393953851 1163684881829 1588991031533 313031233212001