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31104000000000 = 2163559
BaseRepresentation
bin1110001001001111101101…
…10111110000000000000000
311002010111212020110120200000
413010213312313300000000
513034101443000000000
6150052551430400000
76360122054510304
oct704476667600000
9132114766416600
1031104000000000
119a02150136274
1235a41b6800000
13144812cb38c15
14797627ba7d04
1538e146a00000
hex1c49f6df0000

31104000000000 has 1020 divisors, whose sum is σ = 116479099400664. Its totient is φ = 8294400000000.

The previous prime is 31103999999971. The next prime is 31104000000049. The reversal of 31104000000000 is 40113.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

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 59 ways as a sum of consecutive naturals, for example, 6220799999998 + ... + 6220800000002.

Almost surely, 231104000000000 is an apocalyptic number.

31104000000000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31104000000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58239549700332).

31104000000000 is an abundant number, since it is smaller than the sum of its proper divisors (85375099400664).

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

31104000000000 is an frugal number, since it uses more digits than its factorization.

31104000000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92 (or 10 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

Multiplying 31104000000000 by its product of nonzero digits (12), we get a cube (373248000000000 = 720003).

Adding to 31104000000000 its reverse (40113), we get a palindrome (31104000040113).

The spelling of 31104000000000 in words is "thirty-one trillion, one hundred four billion", and thus it is an aban number.