Search a number
-
+
2031425311 = 11909170579
BaseRepresentation
bin111100100010101…
…0001011100011111
312020120111002122111
41321011101130133
513130021102221
6533324254451
7101224554526
oct17105213437
95216432574
102031425311
119527609a3
124883a1427
13264b2b016
14153b194bd
15bd51dbe1
hex7915171f

2031425311 has 4 divisors (see below), whose sum is σ = 2031607800. Its totient is φ = 2031242824.

The previous prime is 2031425309. The next prime is 2031425317. The reversal of 2031425311 is 1135241302.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2031425311 - 21 = 2031425309 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 (2031425317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73381 + ... + 97198.

It is an arithmetic number, because the mean of its divisors is an integer number (507901950).

Almost surely, 22031425311 is an apocalyptic number.

2031425311 is a deficient number, since it is larger than the sum of its proper divisors (182489).

2031425311 is a wasteful number, since it uses less digits than its factorization.

2031425311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182488.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 2031425311 is about 45071.3358022591. The cubic root of 2031425311 is about 1266.4856881862.

Adding to 2031425311 its reverse (1135241302), we get a palindrome (3166666613).

The spelling of 2031425311 in words is "two billion, thirty-one million, four hundred twenty-five thousand, three hundred eleven".

Divisors: 1 11909 170579 2031425311