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3131112132244 = 22782778033061
BaseRepresentation
bin101101100100000100110…
…100111000111010010100
3102002022221120212200201001
4231210010310320322110
5402300004201212434
610354225115313044
7442133606664355
oct55440464707224
912068846780631
103131112132244
11aa7996197268
124269b714b784
13199354c42645
14ab791d7bd2c
15566aa038114
hex2d904d38e94

3131112132244 has 6 divisors (see below), whose sum is σ = 5479446231434. Its totient is φ = 1565556066120.

The previous prime is 3131112132229. The next prime is 3131112132287. The reversal of 3131112132244 is 4422312111313.

It can be written as a sum of positive squares in only one way, i.e., 2282849028100 + 848263104144 = 1510910^2 + 921012^2 .

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 as a sum of consecutive naturals, namely, 391389016527 + ... + 391389016534.

Almost surely, 23131112132244 is an apocalyptic number.

It is an amenable number.

3131112132244 is a deficient number, since it is larger than the sum of its proper divisors (2348334099190).

3131112132244 is a wasteful number, since it uses less digits than its factorization.

3131112132244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 782778033065 (or 782778033063 counting only the distinct ones).

The product of its digits is 3456, while the sum is 28.

Adding to 3131112132244 its reverse (4422312111313), we get a palindrome (7553424243557).

The spelling of 3131112132244 in words is "three trillion, one hundred thirty-one billion, one hundred twelve million, one hundred thirty-two thousand, two hundred forty-four".

Divisors: 1 2 4 782778033061 1565556066122 3131112132244