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120303210031 = 612393824147
BaseRepresentation
bin111000000001010100…
…0010100111000101111
3102111112010201021110121
41300002220110320233
53432340110210111
6131133323145411
711456140261444
oct1600250247057
9374463637417
10120303210031
1147025031324
121b395375267
13b462c6a2a4
145b737139cb
1531e18ea871
hex1c02a14e2f

120303210031 has 8 divisors (see below), whose sum is σ = 122326639344. Its totient is φ = 118281433920.

The previous prime is 120303210023. The next prime is 120303210091. The reversal of 120303210031 is 130012303021.

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 120303210031 - 23 = 120303210023 is a prime.

It is a super-2 number, since 2×1203032100312 (a number of 23 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 = 120303209987 and 120303210014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120303210091) 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, 266101 + ... + 558046.

It is an arithmetic number, because the mean of its divisors is an integer number (15290829918).

Almost surely, 2120303210031 is an apocalyptic number.

120303210031 is a deficient number, since it is larger than the sum of its proper divisors (2023429313).

120303210031 is an equidigital number, since it uses as much as digits as its factorization.

120303210031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 826601.

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

Adding to 120303210031 its reverse (130012303021), we get a palindrome (250315513052).

The spelling of 120303210031 in words is "one hundred twenty billion, three hundred three million, two hundred ten thousand, thirty-one".

Divisors: 1 61 2393 145973 824147 50272967 1972183771 120303210031