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31514053552141 = 290910833294449
BaseRepresentation
bin1110010101001011011111…
…11101111010100000001101
311010120201021120120022111211
413022211233331322200031
513112311240202132031
6151005204545214421
76431546424264046
oct712455775724015
9133521246508454
1031514053552141
11a05004272a146
12364b774931411
1314779bb294884
147ad40726d8cd
15399b45d33bb1
hex1ca96ff7a80d

31514053552141 has 4 divisors (see below), whose sum is σ = 31524886849500. Its totient is φ = 31503220254784.

The previous prime is 31514053552117. The next prime is 31514053552193. The reversal of 31514053552141 is 14125535041513.

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

It can be written as a sum of positive squares in 2 ways, for example, as 13123078611241 + 18390974940900 = 3622579^2 + 4288470^2 .

It is a cyclic number.

It is not a de Polignac number, because 31514053552141 - 25 = 31514053552109 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31514053552094 and 31514053552103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31514053553141) 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, 5416644316 + ... + 5416650133.

It is an arithmetic number, because the mean of its divisors is an integer number (7881221712375).

Almost surely, 231514053552141 is an apocalyptic number.

It is an amenable number.

31514053552141 is a deficient number, since it is larger than the sum of its proper divisors (10833297359).

31514053552141 is a wasteful number, since it uses less digits than its factorization.

31514053552141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10833297358.

The product of its (nonzero) digits is 180000, while the sum is 40.

Adding to 31514053552141 its reverse (14125535041513), we get a palindrome (45639588593654).

The spelling of 31514053552141 in words is "thirty-one trillion, five hundred fourteen billion, fifty-three million, five hundred fifty-two thousand, one hundred forty-one".

Divisors: 1 2909 10833294449 31514053552141