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2142332331 = 338310911709
BaseRepresentation
bin111111110110001…
…0110010110101011
312112022011202110220
41333230112112223
513341414113311
6552325341123
7104042344566
oct17754262653
95468152426
102142332331
119aa321a97
124b95677a3
13281ac0189
141647494dd
15c812a206
hex7fb165ab

2142332331 has 16 divisors (see below), whose sum is σ = 2868203520. Its totient is φ = 1422354080.

The previous prime is 2142332321. The next prime is 2142332347. The reversal of 2142332331 is 1332332412.

It is a cyclic number.

It is not a de Polignac number, because 2142332331 - 210 = 2142331307 is a prime.

It is a super-2 number, since 2×21423323312 = 9179175632895787122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2142332321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1252705 + ... + 1254413.

It is an arithmetic number, because the mean of its divisors is an integer number (179262720).

Almost surely, 22142332331 is an apocalyptic number.

2142332331 is a deficient number, since it is larger than the sum of its proper divisors (725871189).

2142332331 is a wasteful number, since it uses less digits than its factorization.

2142332331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3186.

The product of its digits is 2592, while the sum is 24.

The square root of 2142332331 is about 46285.3360255708. The cubic root of 2142332331 is about 1289.1267312482.

Adding to 2142332331 its reverse (1332332412), we get a palindrome (3474664743).

The spelling of 2142332331 in words is "two billion, one hundred forty-two million, three hundred thirty-two thousand, three hundred thirty-one".

Divisors: 1 3 383 1091 1149 1709 3273 5127 417853 654547 1253559 1864519 1963641 5593557 714110777 2142332331