Search a number
-
+
2031242331142 = 21015621165571
BaseRepresentation
bin11101100011101111011…
…110100100010000000110
321012011222202210201021201
4131203233132210100012
5231234441014044032
64153050112333114
7266516035636423
oct35435736442006
97164882721251
102031242331142
11713499383672
12289802b4419a
1311971212254b
1470453cc6d4a
1537c85c048e7
hex1d8ef7a4406

2031242331142 has 4 divisors (see below), whose sum is σ = 3046863496716. Its totient is φ = 1015621165570.

The previous prime is 2031242331091. The next prime is 2031242331143. The reversal of 2031242331142 is 2411332421302.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2031242331142.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2031242331143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 507810582784 + ... + 507810582787.

It is an arithmetic number, because the mean of its divisors is an integer number (761715874179).

Almost surely, 22031242331142 is an apocalyptic number.

2031242331142 is a deficient number, since it is larger than the sum of its proper divisors (1015621165574).

2031242331142 is a wasteful number, since it uses less digits than its factorization.

2031242331142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1015621165573.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 2031242331142 its reverse (2411332421302), we get a palindrome (4442574752444).

The spelling of 2031242331142 in words is "two trillion, thirty-one billion, two hundred forty-two million, three hundred thirty-one thousand, one hundred forty-two".

Divisors: 1 2 1015621165571 2031242331142