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31303322113 = 717263053127
BaseRepresentation
bin11101001001110100…
…101100101000000001
32222210120201112012111
4131021310230220001
51003102122301423
622214110455321
72155503563530
oct351164545001
988716645174
1031303322113
1112303a00248
126097504541
132c4b3c420b
14172d592317
15c3327360d
hex749d2ca01

31303322113 has 8 divisors (see below), whose sum is σ = 37879650432. Its totient is φ = 25253100096.

The previous prime is 31303322081. The next prime is 31303322177. The reversal of 31303322113 is 31122330313.

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

It is not a de Polignac number, because 31303322113 - 25 = 31303322081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31303323113) 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, 131526445 + ... + 131526682.

It is an arithmetic number, because the mean of its divisors is an integer number (4734956304).

Almost surely, 231303322113 is an apocalyptic number.

It is an amenable number.

31303322113 is a deficient number, since it is larger than the sum of its proper divisors (6576328319).

31303322113 is a wasteful number, since it uses less digits than its factorization.

31303322113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263053151.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 31303322113 its reverse (31122330313), we get a palindrome (62425652426).

The spelling of 31303322113 in words is "thirty-one billion, three hundred three million, three hundred twenty-two thousand, one hundred thirteen".

Divisors: 1 7 17 119 263053127 1841371889 4471903159 31303322113