Search a number
-
+
2031313142 = 21953455609
BaseRepresentation
bin111100100010011…
…0110000011110110
312020120021101210002
41321010312003312
513130004010032
6533322031302
7101223606515
oct17104660366
95216241702
102031313142
119526946a1
12488348532
13264abbc51
14153aca67c
15bd4ea862
hex791360f6

2031313142 has 8 divisors (see below), whose sum is σ = 3207336600. Its totient is φ = 962200944.

The previous prime is 2031313133. The next prime is 2031313171. The reversal of 2031313142 is 2413131302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26727767 + ... + 26727842.

It is an arithmetic number, because the mean of its divisors is an integer number (400917075).

Almost surely, 22031313142 is an apocalyptic number.

2031313142 is a deficient number, since it is larger than the sum of its proper divisors (1176023458).

2031313142 is a wasteful number, since it uses less digits than its factorization.

2031313142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53455630.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 2031313142 is about 45070.0914354520. The cubic root of 2031313142 is about 1266.4623772877.

Adding to 2031313142 its reverse (2413131302), we get a palindrome (4444444444).

The spelling of 2031313142 in words is "two billion, thirty-one million, three hundred thirteen thousand, one hundred forty-two".

Divisors: 1 2 19 38 53455609 106911218 1015656571 2031313142