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31306480115345 = 519329541895951
BaseRepresentation
bin1110001111001000110111…
…01000000101111010010001
311002211212111102112011211022
413013210123220011322101
513100411132402142340
6150325555354125225
76410550522214301
oct707443350057221
9132755442464738
1031306480115345
119a80004959876
1236174a4a20815
13146125ac14766
147a3355401601
15394547a733b5
hex1c791ba05e91

31306480115345 has 8 divisors (see below), whose sum is σ = 39545027514240. Its totient is φ = 23727016508400.

The previous prime is 31306480115329. The next prime is 31306480115387. The reversal of 31306480115345 is 54351108460313.

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

It is not a de Polignac number, because 31306480115345 - 24 = 31306480115329 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31306480115296 and 31306480115305.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164770947881 + ... + 164770948070.

It is an arithmetic number, because the mean of its divisors is an integer number (4943128439280).

Almost surely, 231306480115345 is an apocalyptic number.

It is an amenable number.

31306480115345 is a deficient number, since it is larger than the sum of its proper divisors (8238547398895).

31306480115345 is a wasteful number, since it uses less digits than its factorization.

31306480115345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329541895975.

The product of its (nonzero) digits is 518400, while the sum is 44.

Adding to 31306480115345 its reverse (54351108460313), we get a palindrome (85657588575658).

The spelling of 31306480115345 in words is "thirty-one trillion, three hundred six billion, four hundred eighty million, one hundred fifteen thousand, three hundred forty-five".

Divisors: 1 5 19 95 329541895951 1647709479755 6261296023069 31306480115345