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131322101001 = 37133742130881
BaseRepresentation
bin111101001001101101…
…0000011110100001001
3110112222001200221020120
41322103122003310021
54122421424213001
6140154544213453
712326166304140
oct1722332036411
9415861627216
10131322101001
11507699a2193
122154b60a289
13c4caa7a310
1464dad00757
153638e6c236
hex1e93683d09

131322101001 has 64 divisors (see below), whose sum is σ = 221860240896. Its totient is φ = 67234406400.

The previous prime is 131322100969. The next prime is 131322101033. The reversal of 131322101001 is 100101223131.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (131322100969) and next prime (131322101033).

It is not a de Polignac number, because 131322101001 - 25 = 131322100969 is a prime.

It is a super-2 number, since 2×1313221010012 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (131322101081) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4237081 + ... + 4267961.

It is an arithmetic number, because the mean of its divisors is an integer number (3466566264).

Almost surely, 2131322101001 is an apocalyptic number.

It is an amenable number.

131322101001 is a deficient number, since it is larger than the sum of its proper divisors (90538139895).

131322101001 is a wasteful number, since it uses less digits than its factorization.

131322101001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31362.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 131322101001 its reverse (100101223131), we get a palindrome (231423324132).

The spelling of 131322101001 in words is "one hundred thirty-one billion, three hundred twenty-two million, one hundred one thousand, one".

Divisors: 1 3 7 13 21 37 39 91 111 259 273 421 481 777 1263 1443 2947 3367 5473 8841 10101 15577 16419 30881 38311 46731 92643 109039 114933 202501 216167 327117 401453 607503 648501 1142597 1204359 1417507 2810171 3427791 4252521 7998179 8430513 13000901 14853761 23994537 39002703 44561283 91006307 103976327 169011713 273018921 311928981 481033337 507035139 1183081991 1443100011 3367233359 3549245973 6253433381 10101700077 18760300143 43774033667 131322101001