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3131314401 = 31043771467
BaseRepresentation
bin1011101010100100…
…0001000011100001
322002020010020211110
42322221001003201
522403104030101
61234414533533
7140411506335
oct27251010341
98066106743
103131314401
1113675aa946
127348072a9
133ab970377
14219c297c5
15134d81cd6
hexbaa410e1

3131314401 has 4 divisors (see below), whose sum is σ = 4175085872. Its totient is φ = 2087542932.

The previous prime is 3131314397. The next prime is 3131314423. The reversal of 3131314401 is 1044131313.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 3131314401 - 22 = 3131314397 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3131314451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 521885731 + ... + 521885736.

It is an arithmetic number, because the mean of its divisors is an integer number (1043771468).

Almost surely, 23131314401 is an apocalyptic number.

It is an amenable number.

3131314401 is a deficient number, since it is larger than the sum of its proper divisors (1043771471).

3131314401 is a wasteful number, since it uses less digits than its factorization.

3131314401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1043771470.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 3131314401 is about 55958.1486559375. The cubic root of 3131314401 is about 1462.9929223700.

Adding to 3131314401 its reverse (1044131313), we get a palindrome (4175445714).

The spelling of 3131314401 in words is "three billion, one hundred thirty-one million, three hundred fourteen thousand, four hundred one".

Divisors: 1 3 1043771467 3131314401