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3131302343 = 133122033527
BaseRepresentation
bin1011101010100011…
…1110000111000111
322002020002122021212
42322220332013013
522403103133333
61234414402035
7140411426231
oct27250760707
98066078255
103131302343
1113675a1884
1273480031b
133ab967a30
14219c25251
15134d7d448
hexbaa3e1c7

3131302343 has 16 divisors (see below), whose sum is σ = 3483518976. Its totient is φ = 2795130720.

The previous prime is 3131302331. The next prime is 3131302351. The reversal of 3131302343 is 3432031313.

It is a cyclic number.

It is not a de Polignac number, because 3131302343 - 210 = 3131301319 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 (3131302303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 886046 + ... + 889572.

It is an arithmetic number, because the mean of its divisors is an integer number (217719936).

Almost surely, 23131302343 is an apocalyptic number.

3131302343 is a deficient number, since it is larger than the sum of its proper divisors (352216633).

3131302343 is a wasteful number, since it uses less digits than its factorization.

3131302343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5774.

The product of its (nonzero) digits is 1944, while the sum is 23.

The square root of 3131302343 is about 55958.0409145996. The cubic root of 3131302343 is about 1462.9910444800.

Adding to 3131302343 its reverse (3432031313), we get a palindrome (6563333656).

The spelling of 3131302343 in words is "three billion, one hundred thirty-one million, three hundred two thousand, three hundred forty-three".

Divisors: 1 13 31 403 2203 3527 28639 45851 68293 109337 887809 1421381 7769981 101009753 240869411 3131302343