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2131113333 = 31197159341
BaseRepresentation
bin111111100000110…
…0011010101110101
312111112001202220110
41333001203111311
513331031111313
6551245053233
7103545110256
oct17701432565
95445052813
102131113333
119a3a59a98
124b5857219
1327c69280b
14163068b2d
15c7160ec3
hex7f063575

2131113333 has 8 divisors (see below), whose sum is σ = 2841769696. Its totient is φ = 1420599600.

The previous prime is 2131113331. The next prime is 2131113349. The reversal of 2131113333 is 3333111312.

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

It is not a de Polignac number, because 2131113333 - 21 = 2131113331 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 (2131113331) 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, 6243 + ... + 65583.

It is an arithmetic number, because the mean of its divisors is an integer number (355221212).

Almost surely, 22131113333 is an apocalyptic number.

It is an amenable number.

2131113333 is a deficient number, since it is larger than the sum of its proper divisors (710656363).

2131113333 is a wasteful number, since it uses less digits than its factorization.

2131113333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71315.

The product of its digits is 486, while the sum is 21.

The square root of 2131113333 is about 46163.9830712212. The cubic root of 2131113333 is about 1286.8724855839.

Adding to 2131113333 its reverse (3333111312), we get a palindrome (5464224645).

The spelling of 2131113333 in words is "two billion, one hundred thirty-one million, one hundred thirteen thousand, three hundred thirty-three".

Divisors: 1 3 11971 35913 59341 178023 710371111 2131113333