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31313302202113 = 2310491297853119
BaseRepresentation
bin1110001111010101100100…
…10000010010011100000001
311002212112002212111002112121
413013222302100102130001
513101014120330431423
6150333044335124241
76411211551046141
oct707526220223401
9132775085432477
1031313302202113
119a82995836608
123618889673681
131461aa73c75a9
147a3801488921
153947e694745d
hex1c7ab2412701

31313302202113 has 8 divisors (see below), whose sum is σ = 32705898624000. Its totient is φ = 29923301488608.

The previous prime is 31313302202023. The next prime is 31313302202123. The reversal of 31313302202113 is 31120220331313.

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 31313302202113 - 229 = 31312765331201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31313302202123) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 648902433 + ... + 648950686.

It is an arithmetic number, because the mean of its divisors is an integer number (4088237328000).

Almost surely, 231313302202113 is an apocalyptic number.

It is an amenable number.

31313302202113 is a deficient number, since it is larger than the sum of its proper divisors (1392596421887).

31313302202113 is a wasteful number, since it uses less digits than its factorization.

31313302202113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1297854191.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 31313302202113 its reverse (31120220331313), we get a palindrome (62433522533426).

The spelling of 31313302202113 in words is "thirty-one trillion, three hundred thirteen billion, three hundred two million, two hundred two thousand, one hundred thirteen".

Divisors: 1 23 1049 24127 1297853119 29850621737 1361447921831 31313302202113