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1031212111332 = 223136610334047
BaseRepresentation
bin11110000000110010000…
…10000001010111100100
310122120201221111222000110
433000121002001113210
5113343410300030312
62105422102213020
7134334253215114
oct17003102012744
93576657458013
101031212111332
11368375398127
12147a32a24170
1376320805980
1437ca7855044
151bc569be43c
hexf0190815e4

1031212111332 has 24 divisors (see below), whose sum is σ = 2591250946816. Its totient is φ = 317296034208.

The previous prime is 1031212111291. The next prime is 1031212111357. The reversal of 1031212111332 is 2331112121301.

It is a junction number, because it is equal to n+sod(n) for n = 1031212111299 and 1031212111308.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3305166868 + ... + 3305167179.

Almost surely, 21031212111332 is an apocalyptic number.

1031212111332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1031212111332 is an abundant number, since it is smaller than the sum of its proper divisors (1560038835484).

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

1031212111332 is a wasteful number, since it uses less digits than its factorization.

1031212111332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6610334067 (or 6610334065 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 1031212111332 its reverse (2331112121301), we get a palindrome (3362324232633).

The spelling of 1031212111332 in words is "one trillion, thirty-one billion, two hundred twelve million, one hundred eleven thousand, three hundred thirty-two".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 6610334047 13220668094 19831002141 26441336188 39662004282 79324008564 85934342611 171868685222 257803027833 343737370444 515606055666 1031212111332