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31142534302115 = 561485632102561
BaseRepresentation
bin1110001010010111011111…
…01100011100100110100011
311002021012022202112221122122
413011023233230130212203
513040214402240131430
6150122403250254455
76362655013620365
oct705135754344643
9132235282487578
1031142534302115
119a17524802845
1235ab76b88742b
13144b961349412
14799441840d35
1539014e9b5ee5
hex1c52efb1c9a3

31142534302115 has 16 divisors (see below), whose sum is σ = 37984481400096. Its totient is φ = 24505084492800.

The previous prime is 31142534302063. The next prime is 31142534302207. The reversal of 31142534302115 is 51120343524113.

It is not a de Polignac number, because 31142534302115 - 212 = 31142534298019 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13760435 + ... + 15862995.

It is an arithmetic number, because the mean of its divisors is an integer number (2374030087506).

Almost surely, 231142534302115 is an apocalyptic number.

31142534302115 is a deficient number, since it is larger than the sum of its proper divisors (6841947097981).

31142534302115 is a wasteful number, since it uses less digits than its factorization.

31142534302115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2151190.

The product of its (nonzero) digits is 43200, while the sum is 35.

Adding to 31142534302115 its reverse (51120343524113), we get a palindrome (82262877826228).

The spelling of 31142534302115 in words is "thirty-one trillion, one hundred forty-two billion, five hundred thirty-four million, three hundred two thousand, one hundred fifteen".

Divisors: 1 5 61 305 48563 242815 2102561 2962343 10512805 14811715 128256221 641281105 102106669843 510533349215 6228506860423 31142534302115