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131030248882 = 21331227716161
BaseRepresentation
bin111101000001000000…
…0101110110110110010
3110112012201112022101211
41322002000232312302
54121322220431012
6140110000550334
712316023511261
oct1720200566662
9415181468354
10131030248882
115062a183395
12214899223aa
13c482473060
1464b024c5d8
15361d51c6a7
hex1e8202edb2

131030248882 has 32 divisors (see below), whose sum is σ = 219454953984. Its totient is φ = 58266777600.

The previous prime is 131030248871. The next prime is 131030248927. The reversal of 131030248882 is 288842030131.

It is a happy number.

It is a super-2 number, since 2×1310302488822 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 175119 + ... + 541042.

It is an arithmetic number, because the mean of its divisors is an integer number (6857967312).

Almost surely, 2131030248882 is an apocalyptic number.

131030248882 is a deficient number, since it is larger than the sum of its proper divisors (88424705102).

131030248882 is a wasteful number, since it uses less digits than its factorization.

131030248882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 716434.

The product of its (nonzero) digits is 73728, while the sum is 40.

The spelling of 131030248882 in words is "one hundred thirty-one billion, thirty million, two hundred forty-eight thousand, eight hundred eighty-two".

Divisors: 1 2 13 26 31 62 227 403 454 806 2951 5902 7037 14074 91481 182962 716161 1432322 9310093 18620186 22200991 44401982 162568547 288612883 325137094 577225766 2113391111 4226782222 5039624957 10079249914 65515124441 131030248882