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312202003040431 = 7192980944257983
BaseRepresentation
bin100011011111100100011000…
…1011111010100100010101111
31111221102012221101101101001121
41012333020301133110202233
5311410104200234243211
63023555341544321411
7122521564451143450
oct10677106137244257
91457365841341047
10312202003040431
1190528142699439
122b022a0b173267
13105286a40b3a9a
14571492c543127
1526161559b7271
hex11bf2317d48af

312202003040431 has 16 divisors (see below), whose sum is σ = 388532438323200. Its totient is φ = 244775436137568.

The previous prime is 312202003040423. The next prime is 312202003040449. The reversal of 312202003040431 is 134040300202213.

It is not a de Polignac number, because 312202003040431 - 23 = 312202003040423 is a prime.

It is a super-2 number, since 2×3122020030404312 (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 = 312202003040396 and 312202003040405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312202003041431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40472125135 + ... + 40472132848.

It is an arithmetic number, because the mean of its divisors is an integer number (24283277395200).

Almost surely, 2312202003040431 is an apocalyptic number.

312202003040431 is a deficient number, since it is larger than the sum of its proper divisors (76330435282769).

312202003040431 is a wasteful number, since it uses less digits than its factorization.

312202003040431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80944258038.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 312202003040431 its reverse (134040300202213), we get a palindrome (446242303242644).

The spelling of 312202003040431 in words is "three hundred twelve trillion, two hundred two billion, three million, forty thousand, four hundred thirty-one".

Divisors: 1 7 19 29 133 203 551 3857 80944257983 566609805881 1537940901677 2347383481507 10765586311739 16431684370549 44600286148633 312202003040431