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31200222123133 = 710940891509991
BaseRepresentation
bin1110001100000010111100…
…01010000001010001111101
311002110201020010100220010021
413012001132022001101331
513042141023330420013
6150205103440412141
76400066406200450
oct706013612012175
9132421203326107
1031200222123133
119a39a38000588
1235ba98b317051
131454225a58b5b
1479c1551b5497
153918c923da8d
hex1c605e28147d

31200222123133 has 8 divisors (see below), whose sum is σ = 35984528792960. Its totient is φ = 26497698473520.

The previous prime is 31200222123089. The next prime is 31200222123149. The reversal of 31200222123133 is 33132122200213.

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 31200222123133 - 221 = 31200220025981 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31200222123098 and 31200222123107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31200222123193) 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, 20445754233 + ... + 20445755758.

It is an arithmetic number, because the mean of its divisors is an integer number (4498066099120).

Almost surely, 231200222123133 is an apocalyptic number.

It is an amenable number.

31200222123133 is a deficient number, since it is larger than the sum of its proper divisors (4784306669827).

31200222123133 is a wasteful number, since it uses less digits than its factorization.

31200222123133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40891510107.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 31200222123133 its reverse (33132122200213), we get a palindrome (64332344323346).

The spelling of 31200222123133 in words is "thirty-one trillion, two hundred billion, two hundred twenty-two million, one hundred twenty-three thousand, one hundred thirty-three".

Divisors: 1 7 109 763 40891509991 286240569937 4457174589019 31200222123133