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213130231001 = 1914397795261
BaseRepresentation
bin1100011001111110001…
…1010011110011011001
3202101010102010112022022
43012133203103303121
511442442314343001
6241524412304225
721253365033602
oct3063743236331
9671112115268
10213130231001
118242a506086
1235380a72075
131713768a82c
14a45bc6ada9
15582604d11b
hex319f8d3cd9

213130231001 has 8 divisors (see below), whose sum is σ = 224503545600. Its totient is φ = 201772509840.

The previous prime is 213130230991. The next prime is 213130231087. The reversal of 213130231001 is 100132031312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 213130231001 - 226 = 213063122137 is a prime.

It is a super-3 number, since 3×2131302310013 (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213130234001) 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, 3870290 + ... + 3924971.

It is an arithmetic number, because the mean of its divisors is an integer number (28062943200).

Almost surely, 2213130231001 is an apocalyptic number.

It is an amenable number.

213130231001 is a deficient number, since it is larger than the sum of its proper divisors (11373314599).

213130231001 is a wasteful number, since it uses less digits than its factorization.

213130231001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7796719.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 213130231001 its reverse (100132031312), we get a palindrome (313262262313).

The spelling of 213130231001 in words is "two hundred thirteen billion, one hundred thirty million, two hundred thirty-one thousand, one".

Divisors: 1 19 1439 27341 7795261 148109959 11217380579 213130231001