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10031323302020 = 2251187422549423
BaseRepresentation
bin1001000111111001100101…
…1101100100100010000100
31022111222121011112212022102
42101332121131210202010
52303323122231131040
633200154252051232
72053511354124446
oct221763135444204
938458534485272
1010031323302020
113218295540489
121160179a63b18
13579c46726967
14269739202496
15125e0ed11515
hex91f99764884

10031323302020 has 24 divisors (see below), whose sum is σ = 21083526059904. Its totient is φ = 4009148915936.

The previous prime is 10031323301983. The next prime is 10031323302031. The reversal of 10031323302020 is 2020332313001.

It is a super-2 number, since 2×100313233020202 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 10031323301983 and 10031323302001.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 211250972 + ... + 211298451.

It is an arithmetic number, because the mean of its divisors is an integer number (878480252496).

Almost surely, 210031323302020 is an apocalyptic number.

10031323302020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10031323302020 is an abundant number, since it is smaller than the sum of its proper divisors (11052202757884).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10031323302020 is a wasteful number, since it uses less digits than its factorization.

10031323302020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422550619 (or 422550617 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 10031323302020 its reverse (2020332313001), we get a palindrome (12051655615021).

The spelling of 10031323302020 in words is "ten trillion, thirty-one billion, three hundred twenty-three million, three hundred two thousand, twenty".

Divisors: 1 2 4 5 10 20 1187 2374 4748 5935 11870 23740 422549423 845098846 1690197692 2112747115 4225494230 8450988460 501566165101 1003132330202 2006264660404 2507830825505 5015661651010 10031323302020