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331201042 = 2831995187
BaseRepresentation
bin10011101111011…
…011101000010010
3212002012202102021
4103233123220102
51134241413132
652510442054
711131106464
oct2357335022
9762182367
10331201042
1115aa55277
1292b0332a
1353803663
1431db6134
151e123997
hex13bdba12

331201042 has 8 divisors (see below), whose sum is σ = 502787376. Its totient is φ = 163605252.

The previous prime is 331201037. The next prime is 331201049. The reversal of 331201042 is 240102133.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (331201049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 997428 + ... + 997759.

It is an arithmetic number, because the mean of its divisors is an integer number (62848422).

Almost surely, 2331201042 is an apocalyptic number.

331201042 is a deficient number, since it is larger than the sum of its proper divisors (171586334).

331201042 is a wasteful number, since it uses less digits than its factorization.

331201042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1995272.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 331201042 is about 18198.9296938034. The cubic root of 331201042 is about 691.8796623808.

Adding to 331201042 its reverse (240102133), we get a palindrome (571303175).

The spelling of 331201042 in words is "three hundred thirty-one million, two hundred one thousand, forty-two".

Divisors: 1 2 83 166 1995187 3990374 165600521 331201042