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31303420042241 = 263635918717473
BaseRepresentation
bin1110001111000011001010…
…01110110101110000000001
311002211120121011110100200102
413013201211032311300001
513100333401012322431
6150324332002132145
76410411634061334
oct707414516656001
9132746534410612
1031303420042241
119a79784598636
123616990051055
131460b90c58c09
147a3144c3c61b
153944190b4dcb
hex1c78653b5c01

31303420042241 has 8 divisors (see below), whose sum is σ = 31427387544960. Its totient is φ = 31179489987712.

The previous prime is 31303420042199. The next prime is 31303420042243. The reversal of 31303420042241 is 14224002430313.

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 31303420042241 - 26 = 31303420042177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31303420042243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7686320 + ... + 11031153.

It is an arithmetic number, because the mean of its divisors is an integer number (3928423443120).

Almost surely, 231303420042241 is an apocalyptic number.

It is an amenable number.

31303420042241 is a deficient number, since it is larger than the sum of its proper divisors (123967502719).

31303420042241 is a wasteful number, since it uses less digits than its factorization.

31303420042241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18724095.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 31303420042241 its reverse (14224002430313), we get a palindrome (45527422472554).

The spelling of 31303420042241 in words is "thirty-one trillion, three hundred three billion, four hundred twenty million, forty-two thousand, two hundred forty-one".

Divisors: 1 263 6359 1672417 18717473 4922695399 119024410807 31303420042241