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312203031442031 = 1935069468554521
BaseRepresentation
bin100011011111100100110111…
…0110010010111001001101111
31111221102022121001111120211202
41012333021232302113021233
5311410113302022121111
63024000032002440115
7122521632106335032
oct10677115662271157
91457368531446752
10312203031442031
1190528620150814
122b02305766303b
1310528809186542
1457149c8d65019
1526161b5e08b3b
hex11bf26ec9726f

312203031442031 has 8 divisors (see below), whose sum is σ = 328644141730800. Its totient is φ = 295762858332480.

The previous prime is 312203031441967. The next prime is 312203031442037. The reversal of 312203031442031 is 130244130302213.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 312203031442031 - 26 = 312203031441967 is a prime.

It is a super-2 number, since 2×3122030314420312 (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 312203031441985 and 312203031442003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312203031442037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 233610950 + ... + 234943571.

It is an arithmetic number, because the mean of its divisors is an integer number (41080517716350).

Almost surely, 2312203031442031 is an apocalyptic number.

312203031442031 is a deficient number, since it is larger than the sum of its proper divisors (16441110288769).

312203031442031 is a wasteful number, since it uses less digits than its factorization.

312203031442031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468589609.

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 312203031442031 its reverse (130244130302213), we get a palindrome (442447161744244).

The spelling of 312203031442031 in words is "three hundred twelve trillion, two hundred three billion, thirty-one million, four hundred forty-two thousand, thirty-one".

Divisors: 1 19 35069 666311 468554521 8902535899 16431738496949 312203031442031