Search a number
-
+
31143000034104 = 2337185375000203
BaseRepresentation
bin1110001010011000010110…
…11101000100101100111000
311002021020112012220120211120
413011030023131010230320
513040221331002042404
6150122521404425240
76363002400361530
oct705141335045470
9132236465816746
1031143000034104
119a17743694112
1235ab87b848220
13144ba0699398a
147994876364c0
1539017a8109d9
hex1c530b744b38

31143000034104 has 32 divisors (see below), whose sum is σ = 88980000097920. Its totient is φ = 8898000009696.

The previous prime is 31143000034103. The next prime is 31143000034151. The reversal of 31143000034104 is 40143000034113.

It is a super-2 number, since 2×311430000341042 (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31143000034103) 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, 92687499934 + ... + 92687500269.

It is an arithmetic number, because the mean of its divisors is an integer number (2780625003060).

Almost surely, 231143000034104 is an apocalyptic number.

It is an amenable number.

31143000034104 is an abundant number, since it is smaller than the sum of its proper divisors (57837000063816).

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

31143000034104 is a wasteful number, since it uses less digits than its factorization.

31143000034104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185375000219 (or 185375000215 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 31143000034104 its reverse (40143000034113), we get a palindrome (71286000068217).

Subtracting 31143000034104 from its reverse (40143000034113), we obtain a palindrome (9000000000009).

The spelling of 31143000034104 in words is "thirty-one trillion, one hundred forty-three billion, thirty-four thousand, one hundred four".

Divisors: 1 2 3 4 6 7 8 12 14 21 24 28 42 56 84 168 185375000203 370750000406 556125000609 741500000812 1112250001218 1297625001421 1483000001624 2224500002436 2595250002842 3892875004263 4449000004872 5190500005684 7785750008526 10381000011368 15571500017052 31143000034104