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31020033320324 = 2217456176960593
BaseRepresentation
bin1110000110110011010100…
…00100010010010110000100
311001211111010110100022002222
413003121222010102112010
513031213012012222244
6145550223453151512
76351060225510026
oct703315204222604
9131744113308088
1031020033320324
11997a582134024
12358ba8248b598
13144023ac7aa89
147935402b0016
1538bd8018dbee
hex1c366a112584

31020033320324 has 12 divisors (see below), whose sum is σ = 57478297034844. Its totient is φ = 14597662738944.

The previous prime is 31020033320303. The next prime is 31020033320333. The reversal of 31020033320324 is 42302333002013.

It can be written as a sum of positive squares in 2 ways, for example, as 28063696960324 + 2956336360000 = 5297518^2 + 1719400^2 .

It is a super-2 number, since 2×310200333203242 (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31020033320293 and 31020033320302.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 228088480229 + ... + 228088480364.

It is an arithmetic number, because the mean of its divisors is an integer number (4789858086237).

Almost surely, 231020033320324 is an apocalyptic number.

31020033320324 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

31020033320324 is a deficient number, since it is larger than the sum of its proper divisors (26458263714520).

31020033320324 is a wasteful number, since it uses less digits than its factorization.

31020033320324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456176960614 (or 456176960612 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 26.

Adding to 31020033320324 its reverse (42302333002013), we get a palindrome (73322366322337).

The spelling of 31020033320324 in words is "thirty-one trillion, twenty billion, thirty-three million, three hundred twenty thousand, three hundred twenty-four".

Divisors: 1 2 4 17 34 68 456176960593 912353921186 1824707842372 7755008330081 15510016660162 31020033320324