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10201331131 = 291091322429
BaseRepresentation
bin10011000000000101…
…11111010110111011
3222022221121022111221
421200002333112323
5131343020044011
64404133532511
7510540612115
oct114002772673
928287538457
1010201331131
114365427082
121b884a4137
13c6761c614
146cabb03b5
153ea8cb971
hex2600bf5bb

10201331131 has 8 divisors (see below), whose sum is σ = 10562806800. Its totient is φ = 9840502560.

The previous prime is 10201331111. The next prime is 10201331149. The reversal of 10201331131 is 13113310201.

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

It is a cyclic number.

It is not a de Polignac number, because 10201331131 - 25 = 10201331099 is a prime.

It is a super-2 number, since 2×102013311312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10201331111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129576 + ... + 192853.

It is an arithmetic number, because the mean of its divisors is an integer number (1320350850).

Almost surely, 210201331131 is an apocalyptic number.

10201331131 is a deficient number, since it is larger than the sum of its proper divisors (361475669).

10201331131 is a wasteful number, since it uses less digits than its factorization.

10201331131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323549.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 10201331131 its reverse (13113310201), we get a palindrome (23314641332).

The spelling of 10201331131 in words is "ten billion, two hundred one million, three hundred thirty-one thousand, one hundred thirty-one".

Divisors: 1 29 1091 31639 322429 9350441 351770039 10201331131