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31030010330 = 25111272339533
BaseRepresentation
bin11100111001100010…
…000110000111011010
32222002112102211220212
4130321202012013122
51002022140312310
622131024451122
72145644510264
oct347142060732
988075384825
1031030010330
11121836a5040
12601ba79aa2
132c068abb77
141705168b34
15c19287205
hex7398861da

31030010330 has 64 divisors (see below), whose sum is σ = 61681471488. Its totient is φ = 11145576960.

The previous prime is 31030010311. The next prime is 31030010351. The reversal of 31030010330 is 3301003013.

It is a Curzon number.

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 31 ways as a sum of consecutive naturals, for example, 3250244 + ... + 3259776.

It is an arithmetic number, because the mean of its divisors is an integer number (963772992).

Almost surely, 231030010330 is an apocalyptic number.

31030010330 is a deficient number, since it is larger than the sum of its proper divisors (30651461158).

31030010330 is a wasteful number, since it uses less digits than its factorization.

31030010330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9911.

The product of its (nonzero) digits is 81, while the sum is 14.

Adding to 31030010330 its reverse (3301003013), we get a palindrome (34331013343).

The spelling of 31030010330 in words is "thirty-one billion, thirty million, ten thousand, three hundred thirty".

Divisors: 1 2 5 10 11 22 55 110 127 233 254 466 635 1165 1270 1397 2330 2563 2794 5126 6985 9533 12815 13970 19066 25630 29591 47665 59182 95330 104863 147955 209726 295910 325501 524315 651002 1048630 1210691 1627505 2221189 2421382 3255010 4442378 6053455 11105945 12106910 13317601 22211890 24433079 26635202 48866158 66588005 122165395 133176010 244330790 282091003 564182006 1410455015 2820910030 3103001033 6206002066 15515005165 31030010330