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331144099 = 11132315693
BaseRepresentation
bin10011101111001…
…101101110100011
3212002002212022021
4103233031232203
51134233102344
652505322311
711130451456
oct2357155643
9762085267
10331144099
1115aa16510
1292a96397
13537b3770
1431d9d49d
151e111b84
hex13bcdba3

331144099 has 8 divisors (see below), whose sum is σ = 389036592. Its totient is φ = 277883040.

The previous prime is 331144097. The next prime is 331144123. The reversal of 331144099 is 990441133.

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

It is a cyclic number.

It is not a de Polignac number, because 331144099 - 21 = 331144097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (331144097) 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, 1157704 + ... + 1157989.

It is an arithmetic number, because the mean of its divisors is an integer number (48629574).

Almost surely, 2331144099 is an apocalyptic number.

331144099 is a deficient number, since it is larger than the sum of its proper divisors (57892493).

331144099 is a wasteful number, since it uses less digits than its factorization.

331144099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2315717.

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 331144099 is about 18197.3651664190. The cubic root of 331144099 is about 691.8400087598.

The spelling of 331144099 in words is "three hundred thirty-one million, one hundred forty-four thousand, ninety-nine".

Divisors: 1 11 13 143 2315693 25472623 30104009 331144099