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3112120131 = 32531409867
BaseRepresentation
bin1011100101111111…
…0010111101000011
322000220000002020120
42321133302331003
522333200321011
61232451311323
7140056404351
oct27137627503
98026002216
103112120131
11135778aa0a
1272a2ab543
133a79ac903
142174707d1
1513333ea06
hexb97f2f43

3112120131 has 8 divisors (see below), whose sum is σ = 4151143104. Its totient is φ = 2073921960.

The previous prime is 3112120103. The next prime is 3112120189. The reversal of 3112120131 is 1310212113.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3112120131 - 210 = 3112119107 is a prime.

It is a super-2 number, since 2×31121201312 = 19370583419550914322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3112120131.

It is not an unprimeable number, because it can be changed into a prime (3112120031) 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, 197341 + ... + 212526.

It is an arithmetic number, because the mean of its divisors is an integer number (518892888).

Almost surely, 23112120131 is an apocalyptic number.

3112120131 is a deficient number, since it is larger than the sum of its proper divisors (1039022973).

3112120131 is a wasteful number, since it uses less digits than its factorization.

3112120131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412401.

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 3112120131 is about 55786.3794397880. The cubic root of 3112120131 is about 1459.9975184483.

Adding to 3112120131 its reverse (1310212113), we get a palindrome (4422332244).

The spelling of 3112120131 in words is "three billion, one hundred twelve million, one hundred twenty thousand, one hundred thirty-one".

Divisors: 1 3 2531 7593 409867 1229601 1037373377 3112120131