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31320112040111 = 199292975372137
BaseRepresentation
bin1110001111100010010000…
…01001110000100010101111
311002220011200110101201002202
413013301020021300202233
513101122042140240421
6150340132201412115
76411542400524216
oct707611011604257
9132804613351082
1031320112040111
119a8586a8076a4
12361a06a19a03b
1314626211ac12b
147a3c89a6407d
15394a946ec10b
hex1c7c482708af

31320112040111 has 8 divisors (see below), whose sum is σ = 31478579824800. Its totient is φ = 31161655058688.

The previous prime is 31320112040029. The next prime is 31320112040153. The reversal of 31320112040111 is 11104021102313.

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 31320112040111 - 214 = 31320112023727 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31320112040171) 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, 3144035 + ... + 8516171.

It is an arithmetic number, because the mean of its divisors is an integer number (3934822478100).

Almost surely, 231320112040111 is an apocalyptic number.

31320112040111 is a deficient number, since it is larger than the sum of its proper divisors (158467784689).

31320112040111 is a wasteful number, since it uses less digits than its factorization.

31320112040111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5401633.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 31320112040111 its reverse (11104021102313), we get a palindrome (42424133142424).

The spelling of 31320112040111 in words is "thirty-one trillion, three hundred twenty billion, one hundred twelve million, forty thousand, one hundred eleven".

Divisors: 1 199 29297 5372137 5830103 1069055263 157387497689 31320112040111