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130121201031 = 3313138574229
BaseRepresentation
bin111100100101111010…
…0111111010110000111
3110102212100222220011220
41321023310333112013
54112442011413111
6135435444531423
712254344650063
oct1711364772607
9412770886156
10130121201031
1150203031278
12212753b0b73
13c36902c313
146425618aa3
1535b8804e06
hex1e4bd3f587

130121201031 has 8 divisors (see below), whose sum is σ = 174049232880. Its totient is φ = 86470318272.

The previous prime is 130121201017. The next prime is 130121201059. The reversal of 130121201031 is 130102121031.

It is a happy number.

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

It is not a de Polignac number, because 130121201031 - 27 = 130121200903 is a prime.

It is a super-2 number, since 2×1301212010312 (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 130121201031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130121208031) 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 7 ways as a sum of consecutive naturals, for example, 69286176 + ... + 69288053.

It is an arithmetic number, because the mean of its divisors is an integer number (21756154110).

Almost surely, 2130121201031 is an apocalyptic number.

130121201031 is a deficient number, since it is larger than the sum of its proper divisors (43928031849).

130121201031 is a wasteful number, since it uses less digits than its factorization.

130121201031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138574545.

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

Adding to 130121201031 its reverse (130102121031), we get a palindrome (260223322062).

The spelling of 130121201031 in words is "one hundred thirty billion, one hundred twenty-one million, two hundred one thousand, thirty-one".

Divisors: 1 3 313 939 138574229 415722687 43373733677 130121201031