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31130323312303 = 176172967901927
BaseRepresentation
bin1110001010000000101111…
…10111001101111010101111
311002020000210202102101200201
413011000113313031322233
513040014400231443203
6150113023442334331
76362043301125115
oct705002767157257
9132200722371621
1031130323312303
119a12328a42426
1235a932235a3a7
13144a766580367
14798a03bbdab5
1538eb87969e1d
hex1c5017dcdeaf

31130323312303 has 8 divisors (see below), whose sum is σ = 33014941047072. Its totient is φ = 29251641382656.

The previous prime is 31130323312261. The next prime is 31130323312331. The reversal of 31130323312303 is 30321332303113.

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 31130323312303 - 221 = 31130321215151 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 (31130323312003) 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, 1483940475 + ... + 1483961452.

It is an arithmetic number, because the mean of its divisors is an integer number (4126867630884).

Almost surely, 231130323312303 is an apocalyptic number.

31130323312303 is a deficient number, since it is larger than the sum of its proper divisors (1884617734769).

31130323312303 is a wasteful number, since it uses less digits than its factorization.

31130323312303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2967902561.

The product of its (nonzero) digits is 8748, while the sum is 28.

Adding to 31130323312303 its reverse (30321332303113), we get a palindrome (61451655615416).

The spelling of 31130323312303 in words is "thirty-one trillion, one hundred thirty billion, three hundred twenty-three million, three hundred twelve thousand, three hundred three".

Divisors: 1 17 617 10489 2967901927 50454332759 1831195488959 31130323312303