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131323320201 = 3239464939397
BaseRepresentation
bin111101001001101111…
…0101101011110001001
3110112222010222212200010
41322103132231132021
54122422232221301
6140155030302133
712326212542513
oct1722336553611
9415863885603
10131323320201
115076a655197
122154bab7949
13c4cb0b6238
1464db13abb3
15363910d5d6
hex1e937ad789

131323320201 has 16 divisors (see below), whose sum is σ = 175872672000. Its totient is φ = 87161601408.

The previous prime is 131323320199. The next prime is 131323320203. The reversal of 131323320201 is 102023323131.

It is an interprime number because it is at equal distance from previous prime (131323320199) and next prime (131323320203).

It is not a de Polignac number, because 131323320201 - 21 = 131323320199 is a prime.

It is a super-2 number, since 2×1313233202012 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (131323320203) 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, 3313635 + ... + 3353031.

It is an arithmetic number, because the mean of its divisors is an integer number (10992042000).

Almost surely, 2131323320201 is an apocalyptic number.

It is an amenable number.

131323320201 is a deficient number, since it is larger than the sum of its proper divisors (44549351799).

131323320201 is a wasteful number, since it uses less digits than its factorization.

131323320201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44288.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 131323320201 its reverse (102023323131), we get a palindrome (233346643332).

It can be divided in two parts, 13132 and 3320201, that added together give a palindrome (3333333).

The spelling of 131323320201 in words is "one hundred thirty-one billion, three hundred twenty-three million, three hundred twenty thousand, two hundred one".

Divisors: 1 3 239 717 4649 13947 39397 118191 1111111 3333333 9415883 28247649 183156653 549469959 43774440067 131323320201