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2031031003313 = 131093236944281
BaseRepresentation
bin11101100011100010111…
…000011010100010110001
321012011110001011011000002
4131203202320122202301
5231234022414101223
64153013123035345
7266510561452334
oct35434270324261
97164401134002
102031031003313
117133a0063974
1228976420bb55
131196aa4001b0
1470433bd661b
1537c723ade28
hex1d8e2e1a8b1

2031031003313 has 16 divisors (see below), whose sum is σ = 2207448843600. Its totient is φ = 1857498531840.

The previous prime is 2031031003301. The next prime is 2031031003327. The reversal of 2031031003313 is 3133001301302.

It can be written as a sum of positive squares in 8 ways, for example, as 523029811264 + 1508001192049 = 723208^2 + 1228007^2 .

It is a cyclic number.

It is not a de Polignac number, because 2031031003313 - 26 = 2031031003249 is a prime.

It is a super-2 number, since 2×20310310033132 (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2031031003363) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45844733 + ... + 45889013.

It is an arithmetic number, because the mean of its divisors is an integer number (137965552725).

Almost surely, 22031031003313 is an apocalyptic number.

It is an amenable number.

2031031003313 is a deficient number, since it is larger than the sum of its proper divisors (176417840287).

2031031003313 is a wasteful number, since it uses less digits than its factorization.

2031031003313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76772.

The product of its (nonzero) digits is 486, while the sum is 20.

Adding to 2031031003313 its reverse (3133001301302), we get a palindrome (5164032304615).

The spelling of 2031031003313 in words is "two trillion, thirty-one billion, thirty-one million, three thousand, three hundred thirteen".

Divisors: 1 13 109 1417 32369 44281 420797 575653 3528221 4826629 45866873 62746177 1433331689 18633311957 156233154101 2031031003313