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2131031031002 = 24759937847317
BaseRepresentation
bin11111000000101011010…
…110001111110011011010
321112201120012211220020022
4133000223112033303122
5234403322420443002
64310552050430442
7306650635614506
oct37005326176332
97481505756208
102131031031002
11751846508855
122a5011b92422
13125c55c1c403
14751dcc63306
153a676601ba2
hex1f02b58fcda

2131031031002 has 16 divisors (see below), whose sum is σ = 3270008275200. Its totient is φ = 1041103968528.

The previous prime is 2131031030983. The next prime is 2131031031011. The reversal of 2131031031002 is 2001301301312.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18867353 + ... + 18979964.

It is an arithmetic number, because the mean of its divisors is an integer number (204375517200).

Almost surely, 22131031031002 is an apocalyptic number.

2131031031002 is a deficient number, since it is larger than the sum of its proper divisors (1138977244198).

2131031031002 is a wasteful number, since it uses less digits than its factorization.

2131031031002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37847965.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 2131031031002 its reverse (2001301301312), we get a palindrome (4132332332314).

The spelling of 2131031031002 in words is "two trillion, one hundred thirty-one billion, thirty-one million, thirty-one thousand, two".

Divisors: 1 2 47 94 599 1198 28153 56306 37847317 75694634 1778823899 3557647798 22670542883 45341085766 1065515515501 2131031031002