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31240002424244 = 227810000606061
BaseRepresentation
bin1110001101001101000010…
…01111110100110110110100
311002121111220111000120101212
413012212201033310312310
513043314011110033434
6150235243050340552
76403005245160635
oct706464117646664
9132544814016355
1031240002424244
119a548a0a41599
12360663172a758
131457bc5447a73
147a004a51388c
153929567c98ce
hex1c69a13f4db4

31240002424244 has 6 divisors (see below), whose sum is σ = 54670004242434. Its totient is φ = 15620001212120.

The previous prime is 31240002424237. The next prime is 31240002424247. The reversal of 31240002424244 is 44242420004213.

It can be written as a sum of positive squares in only one way, i.e., 29359708771600 + 1880293652644 = 5418460^2 + 1371238^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 31240002424244.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31240002424247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3905000303027 + ... + 3905000303034.

It is an arithmetic number, because the mean of its divisors is an integer number (9111667373739).

Almost surely, 231240002424244 is an apocalyptic number.

It is an amenable number.

31240002424244 is a deficient number, since it is larger than the sum of its proper divisors (23430001818190).

31240002424244 is a wasteful number, since it uses less digits than its factorization.

31240002424244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7810000606065 (or 7810000606063 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 32.

Adding to 31240002424244 its reverse (44242420004213), we get a palindrome (75482422428457).

The spelling of 31240002424244 in words is "thirty-one trillion, two hundred forty billion, two million, four hundred twenty-four thousand, two hundred forty-four".

Divisors: 1 2 4 7810000606061 15620001212122 31240002424244