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10031232220131 = 3411073851197921
BaseRepresentation
bin1001000111111001010000…
…0010000111101111100011
31022111222100211011102110010
42101332110002013233203
52303322430422021011
633200141235540003
72053506200004543
oct221762402075743
938458324142403
1010031232220131
1132182490902a1
12116015345a603
13579c308b6455
1426972b093323
15125e06d1e1a6
hex91f94087be3

10031232220131 has 32 divisors (see below), whose sum is σ = 13832904750336. Its totient is φ = 6461692160000.

The previous prime is 10031232220069. The next prime is 10031232220171. The reversal of 10031232220131 is 13102223213001.

10031232220131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 10031232220131 - 214 = 10031232203747 is a prime.

It is a super-2 number, since 2×100312322201312 (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10031232220098 and 10031232220107.

It is not an unprimeable number, because it can be changed into a prime (10031232220171) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 50584051 + ... + 50781971.

It is an arithmetic number, because the mean of its divisors is an integer number (432278273448).

Almost surely, 210031232220131 is an apocalyptic number.

10031232220131 is a deficient number, since it is larger than the sum of its proper divisors (3801672530205).

10031232220131 is a wasteful number, since it uses less digits than its factorization.

10031232220131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201923.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 10031232220131 its reverse (13102223213001), we get a palindrome (23133455433132).

The spelling of 10031232220131 in words is "ten trillion, thirty-one billion, two hundred thirty-two million, two hundred twenty thousand, one hundred thirty-one".

Divisors: 1 3 41 107 123 321 3851 4387 11553 13161 157891 197921 412057 473673 593763 1236171 8114761 16894337 21177547 24344283 50683011 63532641 762193771 868279427 2286581313 2604838281 31249944611 81554733497 93749833833 244664200491 3343744073377 10031232220131