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3131312014 = 21565656007
BaseRepresentation
bin1011101010100100…
…0000011110001110
322002020010010120001
42322221000132032
522403103441024
61234414514514
7140411466355
oct27251003616
98066103501
103131312014
1113675a9076
12734805a3a
133ab96c25c
14219c2899c
15134d81244
hexbaa4078e

3131312014 has 4 divisors (see below), whose sum is σ = 4696968024. Its totient is φ = 1565656006.

The previous prime is 3131311993. The next prime is 3131312017. The reversal of 3131312014 is 4102131313.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×31313120142 = 19610229858041472392, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3131311982 and 3131312000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3131312017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 782828002 + ... + 782828005.

It is an arithmetic number, because the mean of its divisors is an integer number (1174242006).

Almost surely, 23131312014 is an apocalyptic number.

3131312014 is a deficient number, since it is larger than the sum of its proper divisors (1565656010).

3131312014 is a wasteful number, since it uses less digits than its factorization.

3131312014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1565656009.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 3131312014 is about 55958.1273274937. The cubic root of 3131312014 is about 1462.9925506235.

Adding to 3131312014 its reverse (4102131313), we get a palindrome (7233443327).

The spelling of 3131312014 in words is "three billion, one hundred thirty-one million, three hundred twelve thousand, fourteen".

Divisors: 1 2 1565656007 3131312014