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131001033000442 = 21147389325690117
BaseRepresentation
bin11101110010010100001110…
…000010011000010111111010
3122011211120120020012120110111
4131302110032002120113322
5114132310103422003232
61142341013241134534
736410340501624553
oct3562241602302772
9564746506176414
10131001033000442
1138817253a366a0
1212838a64a8a44a
135813462873797
14244c6ab8a332a
15102298685e047
hex77250e0985fa

131001033000442 has 32 divisors (see below), whose sum is σ = 219489084322560. Its totient is φ = 58129171903680.

The previous prime is 131001033000437. The next prime is 131001033000443. The reversal of 131001033000442 is 244000330100131.

It is a super-2 number, since 2×1310010330004422 (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (131001033000443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162442833 + ... + 163247284.

It is an arithmetic number, because the mean of its divisors is an integer number (6859033885080).

Almost surely, 2131001033000442 is an apocalyptic number.

131001033000442 is a deficient number, since it is larger than the sum of its proper divisors (88488051322118).

131001033000442 is a wasteful number, since it uses less digits than its factorization.

131001033000442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325690566.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 131001033000442 its reverse (244000330100131), we get a palindrome (375001363100573).

The spelling of 131001033000442 in words is "one hundred thirty-one trillion, one billion, thirty-three million, four hundred forty-two", and thus it is an aban number.

Divisors: 1 2 11 22 47 94 389 517 778 1034 4279 8558 18283 36566 201113 402226 325690117 651380234 3582591287 7165182574 15307435499 30614870998 126693455513 168381790489 253386911026 336763580978 1393628010643 2787256021286 5954592409111 11909184818222 65500516500221 131001033000442