Search a number
-
+
331132101 = 3971137911
BaseRepresentation
bin10011101111001…
…010110011000101
3212002002020211220
4103233022303011
51134232211401
652505150553
711130401466
oct2357126305
9762066756
10331132101
1115aa084a3
1292a8b459
13537ab171
1431d98d6d
151e10d336
hex13bcacc5

331132101 has 8 divisors (see below), whose sum is σ = 446061504. Its totient is φ = 218478720.

The previous prime is 331132099. The next prime is 331132117. The reversal of 331132101 is 101231133.

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

It is not a de Polignac number, because 331132101 - 21 = 331132099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331132141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 568665 + ... + 569246.

It is an arithmetic number, because the mean of its divisors is an integer number (55757688).

Almost surely, 2331132101 is an apocalyptic number.

It is an amenable number.

331132101 is a deficient number, since it is larger than the sum of its proper divisors (114929403).

331132101 is a wasteful number, since it uses less digits than its factorization.

331132101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1138011.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 331132101 is about 18197.0355003226. The cubic root of 331132101 is about 691.8316530856.

Adding to 331132101 its reverse (101231133), we get a palindrome (432363234).

The spelling of 331132101 in words is "three hundred thirty-one million, one hundred thirty-two thousand, one hundred one".

Divisors: 1 3 97 291 1137911 3413733 110377367 331132101