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320150131 = 71132271783
BaseRepresentation
bin10011000101010…
…001101001110011
3211022102022102021
4103011101221303
51123424301011
651433532311
710635142210
oct2305215163
9738368367
10320150131
11154797594
128b274097
1351434662
143073ab07
151d18e471
hex13151a73

320150131 has 16 divisors (see below), whose sum is σ = 370957824. Its totient is φ = 270635904.

The previous prime is 320150101. The next prime is 320150203. The reversal of 320150131 is 131051023.

It is not a de Polignac number, because 320150131 - 29 = 320149619 is a prime.

It is a super-2 number, since 2×3201501312 = 204992212758634322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320150101) 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, 178666 + ... + 180448.

It is an arithmetic number, because the mean of its divisors is an integer number (23184864).

Almost surely, 2320150131 is an apocalyptic number.

320150131 is a deficient number, since it is larger than the sum of its proper divisors (50807693).

320150131 is a wasteful number, since it uses less digits than its factorization.

320150131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2130.

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 320150131 is about 17892.7396169508. The cubic root of 320150131 is about 684.0973287797.

The spelling of 320150131 in words is "three hundred twenty million, one hundred fifty thousand, one hundred thirty-one".

Divisors: 1 7 113 227 791 1589 1783 12481 25651 179557 201479 404741 1410353 2833187 45735733 320150131