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BaseRepresentation
bin1110001001011110111111…
…10000101010101110011100
311002011022000212100121120201
413010233133300222232130
513034220242230431022
6150100425352153244
76360532242205561
oct704573760525634
9132138025317521
1031112202202012
119a0567a060018
1235a5905698824
131448b392276a9
14797ba5268868
1538e476b3c127
hex1c4bdfc2ab9c

31112202202012 has 24 divisors (see below), whose sum is σ = 54812252628000. Its totient is φ = 15451560449856.

The previous prime is 31112202201953. The next prime is 31112202202019. The reversal of 31112202202012 is 21020220221113.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31112202202019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114399289 + ... + 114670927.

It is an arithmetic number, because the mean of its divisors is an integer number (2283843859500).

Almost surely, 231112202202012 is an apocalyptic number.

It is an amenable number.

31112202202012 is a deficient number, since it is larger than the sum of its proper divisors (23700050425988).

31112202202012 is a wasteful number, since it uses less digits than its factorization.

31112202202012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463965 (or 463963 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 31112202202012 its reverse (21020220221113), we get a palindrome (52132422423125).

The spelling of 31112202202012 in words is "thirty-one trillion, one hundred twelve billion, two hundred two million, two hundred two thousand, twelve".