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323031011020 = 225291951285469
BaseRepresentation
bin1001011001101100010…
…01100000111011001100
31010212210120211121110021
410230312021200323030
520243031414323040
6404222015351524
732224003201144
oct4546611407314
91125716747407
10323031011020
11114aa6647803
12527325225a4
1324600457c93
14118c5bc3924
15860959724a
hex4b36260ecc

323031011020 has 48 divisors (see below), whose sum is σ = 702119174400. Its totient is φ = 124692422400.

The previous prime is 323031011011. The next prime is 323031011063. The reversal of 323031011020 is 20110130323.

It is a super-2 number, since 2×3230310110202 (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 323031010985 and 323031011003.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 988846 + ... + 1274314.

It is an arithmetic number, because the mean of its divisors is an integer number (14627482800).

Almost surely, 2323031011020 is an apocalyptic number.

It is an amenable number.

323031011020 is an abundant number, since it is smaller than the sum of its proper divisors (379088163380).

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

323031011020 is a wasteful number, since it uses less digits than its factorization.

323031011020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287458 (or 287456 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 323031011020 its reverse (20110130323), we get a palindrome (343141141343).

The spelling of 323031011020 in words is "three hundred twenty-three billion, thirty-one million, eleven thousand, twenty".

Divisors: 1 2 4 5 10 20 29 58 116 145 290 580 1951 3902 7804 9755 19510 39020 56579 113158 226316 282895 285469 565790 570938 1131580 1141876 1427345 2854690 5709380 8278601 16557202 33114404 41393005 82786010 165572020 556950019 1113900038 2227800076 2784750095 5569500190 11139000380 16151550551 32303101102 64606202204 80757752755 161515505510 323031011020