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1030231332021 = 37183353165083
BaseRepresentation
bin11101111110111101001…
…00101001010010110101
310122111012121000012201210
432333132210221102311
5113334403210111041
62105140504512033
7134301043556163
oct16773644512265
93574177005653
101030231332021
11367a11802111
121477ba47b619
13761c5568298
1437c134ac233
151bbea838016
hexefde9294b5

1030231332021 has 32 divisors (see below), whose sum is σ = 1413774093312. Its totient is φ = 667089758720.

The previous prime is 1030231332019. The next prime is 1030231332043. The reversal of 1030231332021 is 1202331320301.

It is a cyclic number.

It is not a de Polignac number, because 1030231332021 - 21 = 1030231332019 is a prime.

It is a super-2 number, since 2×10302313320212 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1030231332061) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6158146 + ... + 6323228.

It is an arithmetic number, because the mean of its divisors is an integer number (44180440416).

Almost surely, 21030231332021 is an apocalyptic number.

It is an amenable number.

1030231332021 is a deficient number, since it is larger than the sum of its proper divisors (383542761291).

1030231332021 is a wasteful number, since it uses less digits than its factorization.

1030231332021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165593.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 1030231332021 its reverse (1202331320301), we get a palindrome (2232562652322).

The spelling of 1030231332021 in words is "one trillion, thirty billion, two hundred thirty-one million, three hundred thirty-two thousand, twenty-one".

Divisors: 1 3 71 83 213 249 353 1059 5893 17679 25063 29299 75189 87897 165083 495249 2080229 6240687 11720893 13701889 35162679 41105667 58274299 174822897 972834119 2918502357 4137475229 4836766817 12412425687 14510300451 343410444007 1030231332021