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31133102232103 = 139012239630403
BaseRepresentation
bin1110001010000101111010…
…11111111101001000100111
311002020021222102110011000021
413011002331133331020213
513040041043132411403
6150114203312300011
76362202203425114
oct705027537751047
9132207872404007
1031133102232103
119a13524631a63
1235a9978b41607
13144aaba2095c1
14798bc8cb790b
1538ec9b8dd8bd
hex1c50bd7fd227

31133102232103 has 4 divisors (see below), whose sum is σ = 31135341876408. Its totient is φ = 31130862587800.

The previous prime is 31133102232031. The next prime is 31133102232109. The reversal of 31133102232103 is 30123220133113.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 31133102232103 - 237 = 30995663278631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31133102232109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1119801301 + ... + 1119829102.

It is an arithmetic number, because the mean of its divisors is an integer number (7783835469102).

Almost surely, 231133102232103 is an apocalyptic number.

31133102232103 is a deficient number, since it is larger than the sum of its proper divisors (2239644305).

31133102232103 is a wasteful number, since it uses less digits than its factorization.

31133102232103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2239644304.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 31133102232103 its reverse (30123220133113), we get a palindrome (61256322365216).

The spelling of 31133102232103 in words is "thirty-one trillion, one hundred thirty-three billion, one hundred two million, two hundred thirty-two thousand, one hundred three".

Divisors: 1 13901 2239630403 31133102232103