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300031021023 = 323311277109841
BaseRepresentation
bin1000101110110110011…
…11100000111111011111
31001200102200022001120220
410113123033200333133
514403430420133043
6345455442012423
730451022412546
oct4273317407737
91050380261526
10300031021023
11106273764908
124a193947113
13223a63a0546
14107432d915d
157c1028a483
hex45db3e0fdf

300031021023 has 32 divisors (see below), whose sum is σ = 431241449472. Its totient is φ = 185005708800.

The previous prime is 300031021019. The next prime is 300031021063. The reversal of 300031021023 is 320120130003.

It is not a de Polignac number, because 300031021023 - 22 = 300031021019 is a prime.

It is a super-2 number, since 2×3000310210232 (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 300031020993 and 300031021011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (300031021063) 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, 2676583 + ... + 2786423.

It is an arithmetic number, because the mean of its divisors is an integer number (13476295296).

Almost surely, 2300031021023 is an apocalyptic number.

300031021023 is a deficient number, since it is larger than the sum of its proper divisors (131210428449).

300031021023 is a wasteful number, since it uses less digits than its factorization.

300031021023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111175.

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 300031021023 its reverse (320120130003), we get a palindrome (620151151026).

The spelling of 300031021023 in words is "three hundred billion, thirty-one million, twenty-one thousand, twenty-three".

Divisors: 1 3 23 31 69 93 713 1277 2139 3831 29371 39587 88113 109841 118761 329523 910501 2526343 2731503 3405071 7579029 10215213 78316633 140266957 234949899 420800871 3226140011 4348275667 9678420033 13044827001 100010340341 300031021023