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31012041002 = 2174273213461
BaseRepresentation
bin11100111000011101…
…100011000100101010
32222001021121220122012
4130320131203010222
51002003040303002
622125143355522
72145335666465
oct347035430452
988037556565
1031012041002
1112174541458
126015a52ba2
132c02c59b27
141702a0c2dc
15c178d7d52
hex73876312a

31012041002 has 16 divisors (see below), whose sum is σ = 49266175752. Its totient is φ = 14590417920.

The previous prime is 31012040981. The next prime is 31012041023. The reversal of 31012041002 is 20014021013.

It is an interprime number because it is at equal distance from previous prime (31012040981) and next prime (31012041023).

It can be written as a sum of positive squares in 4 ways, for example, as 27452844721 + 3559196281 = 165689^2 + 59659^2 .

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 7 ways as a sum of consecutive naturals, for example, 38552 + ... + 252012.

Almost surely, 231012041002 is an apocalyptic number.

31012041002 is a deficient number, since it is larger than the sum of its proper divisors (18254134750).

31012041002 is a wasteful number, since it uses less digits than its factorization.

31012041002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217753.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 31012041002 its reverse (20014021013), we get a palindrome (51026062015).

The spelling of 31012041002 in words is "thirty-one billion, twelve million, forty-one thousand, two".

Divisors: 1 2 17 34 4273 8546 72641 145282 213461 426922 3628837 7257674 912118853 1824237706 15506020501 31012041002