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1001030031023 = 11273377929989
BaseRepresentation
bin11101001000100100000…
…10100001011010101111
310112200211111121102102012
432210102002201122233
5112400102141443043
62043511123351435
7132215312604641
oct16442202413257
93480744542365
101001030031023
113565973a0500
1214200ab2257b
13735207bbb59
1436643170891
151b08bdcaa18
hexe9120a16af

1001030031023 has 24 divisors (see below), whose sum is σ = 1115710772400. Its totient is φ = 897293738880.

The previous prime is 1001030030993. The next prime is 1001030031031. The reversal of 1001030031023 is 3201300301001.

It is not a de Polignac number, because 1001030031023 - 222 = 1001025836719 is a prime.

It is a super-2 number, since 2×10010300310232 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1001030030989 and 1001030031007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001030031623) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33364913 + ... + 33394901.

It is an arithmetic number, because the mean of its divisors is an integer number (46487948850).

Almost surely, 21001030031023 is an apocalyptic number.

1001030031023 is a deficient number, since it is larger than the sum of its proper divisors (114680741377).

1001030031023 is a wasteful number, since it uses less digits than its factorization.

1001030031023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33863 (or 33852 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 14.

Adding to 1001030031023 its reverse (3201300301001), we get a palindrome (4202330332024).

The spelling of 1001030031023 in words is "one trillion, one billion, thirty million, thirty-one thousand, twenty-three".

Divisors: 1 11 73 121 803 3779 8833 29989 41569 275867 329879 457259 2189197 3034537 3628669 24081167 33379907 113328431 264892837 1246612741 8272975463 13712740151 91002730093 1001030031023