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120310030231 = 6716691075897
BaseRepresentation
bin111000000001100001…
…0010101111110010111
3102111112121112210000121
41300003002111332113
53432343331431411
6131134125252411
711456252245426
oct1600302257627
9374477483017
10120310030231
114702896a456
121b397704107
13b4644b7701
145b745ab2bd
1531e22e6571
hex1c03095f97

120310030231 has 8 divisors (see below), whose sum is σ = 122178976880. Its totient is φ = 118443238848.

The previous prime is 120310030201. The next prime is 120310030237. The reversal of 120310030231 is 132030013021.

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 120310030231 - 211 = 120310028183 is a prime.

It is a super-2 number, since 2×1203100302312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120310030237) 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, 426126 + ... + 649771.

It is an arithmetic number, because the mean of its divisors is an integer number (15272372110).

Almost surely, 2120310030231 is an apocalyptic number.

120310030231 is a deficient number, since it is larger than the sum of its proper divisors (1868946649).

120310030231 is a wasteful number, since it uses less digits than its factorization.

120310030231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1077633.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 120310030231 its reverse (132030013021), we get a palindrome (252340043252).

The spelling of 120310030231 in words is "one hundred twenty billion, three hundred ten million, thirty thousand, two hundred thirty-one".

Divisors: 1 67 1669 111823 1075897 72085099 1795672093 120310030231