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3231303110021 = 72509887146063
BaseRepresentation
bin101111000001011000101…
…011001000110110000101
3102102220120001212201012202
4233001120223020312011
5410420202044010041
610512235023524245
7452311463152400
oct57013053106605
912386501781182
103231303110021
11103642a402838
124422b8a59685
131a593119a88c
14b2578512d37
15590c0de8a9b
hex2f058ac8d85

3231303110021 has 24 divisors (see below), whose sum is σ = 3770519466240. Its totient is φ = 2761111645152.

The previous prime is 3231303110011. The next prime is 3231303110029. The reversal of 3231303110021 is 1200113031323.

It is a de Polignac number, because none of the positive numbers 2k-3231303110021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3231303109975 and 3231303110002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3231303110029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22049636 + ... + 22195698.

It is an arithmetic number, because the mean of its divisors is an integer number (157104977760).

Almost surely, 23231303110021 is an apocalyptic number.

It is an amenable number.

3231303110021 is a deficient number, since it is larger than the sum of its proper divisors (539216356219).

3231303110021 is a wasteful number, since it uses less digits than its factorization.

3231303110021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147473 (or 147466 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 3231303110021 its reverse (1200113031323), we get a palindrome (4431416141344).

The spelling of 3231303110021 in words is "three trillion, two hundred thirty-one billion, three hundred three million, one hundred ten thousand, twenty-one".

Divisors: 1 7 49 509 887 3563 6209 24941 43463 146063 451483 1022441 3160381 7157087 22122667 74346067 129557881 520422469 906905167 3642957283 6348336169 65944961429 461614730003 3231303110021